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Professor Yousef S. H. Najjar(Brief C.V. pp1-7)

2012

University AddressMechanical Engineering DepartmentJordan University of Science and Technology(JUST) P.O.Box 3030Irbid 22110Jordan

International Awards:1. “The Arab Creativity Award” in Science-Energy (2011) 2. “Outstanding Paper-1995 Award of Excellence” –Journal of Aircraft Engineering and Aerospace Technology. 3. “Outstanding Paper-2007 Award of Excellence”- Journal of Aircraft Engineering and

Aerospace Technology. 4- Fellowship of the American Society of Mechanical Engineers ASME-1999. 5- Fellowship of the Institute of Energy –UK-1990 ACADEMIC EXPERIENCE (IN INSTITUTIONS RUN BY THE AMERICAN SYSTEM)

1. My specialization is "Mechanical Engineering" especially: “Advanced Energy Systems” & “Rotating Machinery” with special emphasis on “Gas Turbine Technology”, especially 'Combustion" ,with Distinct records of teaching and distinguished achievements in research.

2. I made a course on “Autotronics” (Modern Automotive Technology), taught only in Jordan University of Science & Technology (JUST).

3. My planned research is forwarded towards a hot & promising area in the advanced power generation & automotive industries: “Fuel Cell-Gas Turbine Hybrid Technology”. This will be a unique research area in the region.

4. I have more than six years of industrial experience in Power industry with Jordan Electricity Authority & General Electric-U.K.

5. I have been doing some consultation & training work in UAE & other countries in the areas of Advanced Energy Systems & Rotating Machinery, with Oil & Gas industry

6. I have been carrying out applied research projects through interconnection with local industries - UK, SA & Jordan.

7. Throughout my academic career, during the last 32 years, I have taught: 15 undergraduate & 7 graduate courses, most of them are related to Energy Systems, Gas Turbines & Rotating

Contact InformationTel.(Office) +962-2-7201000 Ext22569Telefax (Resid) +962-2-7100836Mobile: +962 -785793463Email: [email protected]

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Machinery. I have supervised multitude of B.Sc. projects & several M. Sc. Theses in these areas.

8. I have published 140 papers in international refereed journals & conferences. I was granted one patent by the British Patent Office in 1988; & the "1995 and 2007- Awards for Excellence” for an “Ousting Paper”. I have presented more than 24 lectures in International Conferences.

9. In recognition of eminent contributions, I have been selected as a member of the “Editorial Advisory Board” for the International Journals of: “Energy & Environment”, “Applied Thermal Engineering” and "Energy and Fuels".

10. I have been a member & Professional Engineer (P.E.) with the American Society of Mechanical Engineers (A.S.M.E.) for the last 30 years.

11. In 1999, I have been elected for the grade of “Fellow” with ASME, which recognizes distinction & exceptional achievements & contributions. I am also a “Fellow” of the “Institute of Energy”- U.K, & have the C. Eng. grade (1990). I am also a member of ASME Industrial and Cogeneration Committee and Session Organizer.

12. I have supervised the establishment of many Labs in the: M.E. Department & Energy Center.

13. I was within a Team, which won Financial Support for a European “TEMPUS” Project, through which the “Energy Center” in JUST was established; & a Master Program on “Energy Technology” was finalized.

ADMINISTRATIVE EXPERIENCE

1. I was the Founder & First Chairman of the Mechanical Engineering Department in Yarmouk University – Jordan (1981-83).

2. I have chaired many academic & administrative committees in the department, college & the university

3. I am the Founding Director of the "Energy Center" in Jordan University of Science & Technology (JUST), reporting directly to the President of the University.

4. I am the Chairman of the “Energy Efficiency Committee” in the University.

More details are available in the attached C.V.

REFERENCES:

1. Professor E.M. Goodger (My Supervisor for M.Sc and Ph.D Theses), Cranfield University-Cranfield –Bedford, Email:[email protected]

2. Professor A.A. Badran, Vice Dean-College of Engineering –Jordan University-Amman –Jordan, Email: [email protected]

3. Professor T. Aldoss , Jordan University of Science and Technology-Irbid-Jordan, Email: [email protected]

4. Professor M. Othman , Ex-Dean of College of engineering-Jordan University of Science and Technology- Irbid-Jordan, Email: [email protected]

5. Professor A. Hassan,Jordan University of Science and Technology-Irbid-Jordan, Email : [email protected]

mailto:[email protected]



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Brief bio-data

NAJJAR, YOUSEF S.H., Founding Director of the Energy Center, Fellow ASME (USA), Fellow the

Institute of Energy (UK), P.E., C. Eng. Professor of Mechanical Engineering. B.Sc., Mech. Eng.

(Power), Cairo University (1969); M.Sc. & Ph.D., Mech. Eng. (Thermal Power), Cranfield Institute of

Technology (U.K) 1976 & 1979 respectively. Industrial Experience: Chief Power Engineer-Irbid District

Electricity Company, Jordan (1969-75); Specialized industrial training with General Electric (GEC) &

related power industries (U.K) (1973-74). Academic Experience: Yarmouk University (1980-86): The

founding chairman of the Mech. Eng. Dept., 1980-1982; Member University Council (1985-86). King

Abdulaziz University-Jeddah (1986-2001): participated effectively in two funded research projects &

ABET accreditation. Published 140 papers in international refereed journals & conferences; granted a

patent by British Patent Office (1988); Two Patent Publications; Lectured in 33 international

conferences; Member of the "Editorial Advisory Board" for the International Journals of: "Energy &

Environment", & "Applied Thermal Engineering".

Awards: Won The International Arab Creativity Award 2011 in Sciences- Energy,The 1995 and 2007 Awards for excellence for an ousting paper in "J. Aircraft Eng. & Aerospace

Technology"; Fellowship of ASME-USA (1999); Fellowship of the Energy Institute -UK (1990);

Membership of ASME Industrial and Cogeneration Committee and Session organizer; Professional

Engineer PE; Chartered Engineer CEng.

Specialization: Energy-Thermal Power including Gas Turbines: Fuels, Combustion, Turbomachines &

Advanced Energy Systems; Internal Combustion Engines & Autotronics. Initiated a course on

"Autotronics". Authored Three: books & manuals.

Research: Energy efficiency, Renewable and Alternative Energies, "Autotronics", Hydrogen and "Fuel

Cell – Gas Turbine Hybrid Power". Developed a smart device which saves 11% of the vehicle's fuel

consumption. Founded Pioneering Labs for: "Automotive Diagnosis", "Energy Audit" & "Autotronics".

E-mail: [email protected]

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Professor Yousef S. H. Najjar, Ph.D., P.E., C. Eng.Fellow ASME, Fellow the Institute of Energy (U.K.),

Founding Chairman of Mechanical EngineeringFounding Director of the Energy Center (JUST)

Major Achievements in BriefI have unique areas of specialization in energy: "Fuel Cell – Gas Turbine Hybrid Power" Technology; & "Autotronics" (Modern Automotive Technology). I have also an international reputation through Scientific Journal Publications, Conference Presentations; & industrial experience. All of which justified being selected by: The ASME Board of Governors for the Fellow Grade to recognize my ousting engineering

achievements. The Board of the Institute of Energy (in accordance with its Royal Charter) for the Fellow Grade The Boards of the International Journals of "Applied Thermal Engineering" , "Energy &

Environment" and “Yarmouk University Journal-Sciences” on their Editorial Boards

1. Specialization: Energy, Gas Turbines, Fuels, Combustion, Turbomachines & Advanced Energy Systems

2. Teachinga. 15 undergraduate courses.b. 7 postgraduate courses.c. Worldwide reputation in the field of "Gas Turbine Technology & Turbomachines".

3. Course Initiation "Autotronics" (Modern Automotive Technology)

4. Research a. 140 Publications in International Journals & Conferences.b. Research Interests: Gas Turbines, Turbomachines, Exergy Conservation, Combustion,

ICE & Autotronics, Fuel Cells, and Nano Technology in Energy Applications.c. Establishing a New Area of Research: "Fuel Cell – Gas Turbine Hybrid Power".

5. Recent Innovations

a. "Design & Testing of a Smart Device to Vary the Exhaust Pressure & Improve Automotive Engine Performance".

b. Design & Testing of Smart Controller for Ignition & Fuel Injection Systems.

6. Conferences & Presentations24 Lectures Delivered in International Conferences & Seminars.

7. Community Servicesa. Technical & Economic Analysis of New Power Stations Jordan (1973 – 1974).b. Technical Study of the Water Pumping Station in North of Jordan (1979 – 1980).c. Preparation & Formulation of the (Code of Ventilation, Illumination & Hygiene

Regulations in Buildings " in Jordan (1983).d. Part – Time Consultant for the Dean of "Community Services & Continuing Education",

1999.

8. Professional Courses & Consultationa. 30 Courses Offered for Industry.b. Training Consultations with Petrochemical & Oil Industries.

9. Industrial Experience (1969-1975)

a. Working with Jordan Electricity Authority, JEA.

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b. General Electric Co. (GEC – UK) & its associated power industry.

10. Professional Achievementsa. Fellow of the Institute of Energy (UK) (since 1990).b. Fellow of the American Society of Mechanical Engineers (ASME) (since 1999).c. Chartered Engineer, "C. Eng”, from Council of Engineering Institutions (UK).d. Professional Engineer, "P. E", (ASME).e. Winning the International Arab Creativity Award in Sciences-Energy.

11. Academic Honorsa. Member of the Board of Editors: International Journal of Applied Thermal Engineering.b. Member of the Board of Editors: International Journal of Energy & Environment.

12. Granted Engineering Projects

a. National Planning Council (Jordan): Investigation on the Jordanian shale oil & its potential use in engines.

b. King Abdulaziz City for Science & Technology (KACST) (Saudi Arabia): Utilization of Hydrogen.

c. KACST: Enhancement of Gas Turbine Performance by Waste Heat Recovery Using Heat Pipes.

d. TEMPUS (European) Project: Establishing an Energy Center & developing an M.Sc. Program in Energy Technology.

e. KADDB (King Abdullah Design & Development Bureau): Saving Fuel in Transportation by Using modified Injection & Ignition System.

13. Patents & Patent Publication (3)

14. Books & Manuals (3)

15. Supervision of M. Sc. Theses (5)

16. Professional Visits

a. "The High Institute of Aeronautics", Moscow, August 2002: Invitation to present a Seminar on "Using Ramjet Engines in Industrial Applications"

b. Scientific & Engineering Visit to the Royal Swedish Institute (KTH) for two weeks ( September 2004)

c. DFG Grant to carry out research on "Fuel Cells" in the German Aerospace Center DLR)-Institute of Technical Thermodynamics, Stuttgart, Germany (14 August 06 -14 September 06).

d. European Real SOFC Project, September 2006,Lemnos-Greece.e. "Fuel Cell Development, EBZ GmbH", September 2006, Dresden –Germany.

17. Founder of:a. The Mechanical Engineering Department (Chairman): undergraduate & postgraduate

programs & their relevant labs in Yarmouk University – Jordan (1980-1982)b. The Energy Center (Director) – Jordan University of Science & Technology – JUST

(June 2004 – now)c. Pioneering Labs

i. The Energy Center1. Automotive Diagnosis Lab2. Energy Audit Lab

ii. The Mechanical Engineering Department1. Autotronics Lab (for Modern Automotive Technology)

d. The Master Program in "Energy Technology" in the Energy Center at JUST.

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18. Administrative Positionsa. Head & Founder of the Mechanical Engineering Department – Yarmouk University (1980

– 1982)b. Member of the College Council - Yarmouk University (1980 – 1982)c. Member of the University Council in Yarmouk University (1985)d. Member of the College Council - King Abdulaziz University – Jeddah, (1988)e. Director of the Energy Center (2004 – now) - Jordan University of Sciences &

Technology (Reporting Directly to the University Chancellor)

The American Society of Mechanical Engineers (ASME) Elects Dr. Najjar of Jordan University of Science & Technology (JUST) to the Grade of Fellow

ASME has elected Professor Yousef Najjar of the Mechanical Engineering Department at JUST to the

grade of “Fellow”, where he was the only engineer chosen, in the Middle East, in the year 1999.

ASME Constitution describes this esteemed recognition as a membership grade of distinction. The

selection criteria are rigorous, requiring significant engineering achievements as well as contributions

to the Society & the profession, authoring & contributing to technical publications & developing

patents.

ASME had previously granted Dr Najjar the grade of “Professional Engineer, P.E.”. Furthermore, Dr

Najjar was selected in 1990 for the grade of “Fellow of the Institute of Energy” in U.K.

In September 2002, ASME appreciated the contributions of Dr Najjar towards promoting the art,

science & practice of mechanical engineering during the last twenty five years by a “Certificate of

Recognition”. The President of ASME sent a letter of appreciation to the President of JUST, thanking

him for the support of the University to the profession of mechanical engineering through its

distinguished Faculty members.

Daily Jordan Times

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Practical Realization of Engineering Concepts

1. Training with GEC-UK : Manufacturing of subcomponents Erection of subassemblies Engine testing (Ruston Engines and Gas turbines) (1984)

2. Converting engineering concepts into working apparatus:

a- Compressibility of gases (Thermo dynamics II) Design of experimental facility and developing a graphical-analytical procedure for determining the compressibility of gases. (1990)b- Innovative smart device for the reduction of fuel consumption in vehicles

(Autotronics-Modern Automotive Technology) Design, manufacturing, development and testing of a smart device to save fuel consumption in automotive applications. (Tests on vehicles and stationary engines) (2007)

3. Applied Research

a) Combustion rig (with a moving primary zone in a gas turbine combustor). Design, manufacturing, development and testing of an experimental rig to measure : flame radiation, combustor liner temperature, soot formation and oxidation, and temperature traverse quality. (1979)

b) Heat-Pipe Assisted Heat recovery and Utilization System. Design, manufacturing, development and testing of an experimental facility for utilizing the exhaust gas energy of a gas turbine engine, in connection with an absorption cooling system to reduce the inlet air temperature of the gas turbine engine for power boosting and saving of fuel consumption. (1995)

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Professor Yousef S.H. Najjar CURRICULUM VITAE (2011)

Ph.D., P.E., C.Eng., Fellow ASME, Fellow Energy Institute (U.K.)

Founding Chairman of Mechanical Engineering ,1981Founding Director of the Energy Center (JUST), 2004

PERSONAL DATA

Name: Yousef S.H. Najjar

Marital Status Married

Nationality Jordanian

Major Field Mechanical Engineering (Thermal)

Rank Professor

AddressMechanical Engineering Department

Jordan University of Science &

Technology(JUST), Irbid 22110,P.O.Box 3030,

Tel. +962-2- 7201000 ext 22569 JORDAN

E-mail:[email protected]

EDUCATIONPh.D. Mechanical Engineering - Thermal Power, Cranfield Institute of Technology, England, 1979.

M.Sc. Mechanical Engineering - Thermal Power, Cranfield Institute of Technology, England, 1976.

B.Sc. Mechanical Engineering - Power, Faculty of Engineering, Cairo University, 1969.

Language of Instruction: English, for the three degrees

TITLES OF THESES:Ph.D. Thesis: "Soot Formation & Oxidation with Heavy Fuel in Gas Turbines".

M.Sc. Thesis: "Radiation & Smoke from Burning Residual Fuel Oil in Gas Turbine Combustors".

SPECIALIZATION: “ENERGY” with special interest in Thermal Power Engineering including:

Gas Turbines: Fuels, Combustion, Turbomachines, and Advanced Energy Systems(Renewable and Alternative). Internal Combustion Engines: along with their automotive relevance. Refrigeration & Air Conditioning.

TEACHING: Undergraduate

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1. Statics (GE-200): Summer 1980.

2. Fluid Mechanics (E-290) : Fall 86/87

3. Thermodynamics I (ME-241 & ThE-261): Fall(2), Spring & Summer 80/81 + Summer 82/83 + Fall 83/84 + Fall 84/85 + Fall & Spring 86/87 + Fall 87/88 + Spring 88/89 + Fall (2) & Spring 89/90 + Fall & Spring 90/91 + Fall & Spring 91/92 + Spring 95 /96 + Fall 96/97 + Spring 98/99+Summer 2003 +Fall and Spring 2007/ 08+ Spring 2008/09+ Spring and summer 2009/010+Summer 2010/011+ Summer 2012

4. Thermodynamics II (ME-341 & ThE 361): Fall 82/83 + Spring 83/84 + Summer 83/84 + Spring 84/85 + Summer 84/85 + Spring 85/86 + Spring 86/87 + Fall & Spring 87/88 + Fall 88/89 + Fall 92/93 + Fall 96/97 + Fall 98/99+ Fall 1999/2000 + Fall & Spring 2000/01+ Fall& Spring 2001/02 +Fall &Spring 2002/03+Fall &Spring2003/04+Fall & Spring2006/07 +Spring 2007/08+ Fall 2008/09+ Summer 2009+Fall 2010/011+ Fall 2011/012.

5. Internal Combustion Engines I(ME-442 & ThE 362): Fall 82/83 + Fall (2) & Spring (2) 92/93 + Fall(2) & Spring(2) 93/94 + Fall(2) & Spring (2) 94/95 +Fall (2) 95/96 + Fall 97/98 +Fall 98/99 + Fall 2007/ 08.

6. Gas Turbine Engines & Turbomachines (ME-443 & ThE-491):Fall 83/84+ Fall 84/85 + Fall 85/86 + Spring 87/88 + Fall & Spring 88/89 + Spring 89/90 + Fall & Spring 90/91+ Fall & Spring 91/92 + Spring 92/93 + Spring 93/94+Spring 94/95 +Spring 95/96+Spring 96/97 +Spring 97/98 +Spring 98/99+Spring 99/2000+Spring 2000/01+Spring2003/04 + Spring 2004/05+Spring 2005/06+ Spring 2006/07 + Fall 2008/09.

7. Propulsion (ME 552): Fall83/84 + Fall84/85 + Fall85/86 +Fall 2003/2004+ Fall2005/2006+Fall227/2008+Fall 2008/ 09+Fall 2009/010+Spring 2010/2011

8. Internal Combustion Engines II (Fuels & Combustion)(ME-445 & ThE 462): Spring 82/83 + Fall 93/94 + Fall 94/95 + Fall 95/96+Spring 96/97 +Fall 97/98 + Spring 2002/03.

9. Thermo-fluid Lab: (ME-291), (ME443):Summer 84/85+Fall86/87+Fall 2001/02+Fall & Spring 2002/03 + Fall (2) 2006/07 + Summer 2009+ Fall (2)2009/010+Spring and Summer 2009/010+Fall (2) 2010/011+ Spring(2) 2010/2011+Summer2011,Spring and Summer 2011/2012.

10. Internal Combustion Engines & Gas Turbine Labs (ME448): Fall & Spring 83/84.(associated with relevant courses since 1987).

11. Technical Report Writing.(ME591): Falls & Springs 2003,2004,2005,2006, 2007, 2008,2009,2010,2011,2012.

12. Refrigeration & Air Conditioning (ThE 364): Fall 99/2000 + Spring 99/2000.

13. Autotronics (Modern Automotive Technology) : Spring 97/98 Fall 2002/03 + Fall 2003/04+ Fall2004/05+Fall 2005/06+ Spring 2008/09+ Spring 2009/010.

14. Sustainable Energy Conversion: Spring (2) 2011/201215. Measurements and Dynamics Lab (ME 413) : Spring 2006/0716. Senior Projects : Supervision of more than 150 B.Sc Projects

Postgraduate:

1. Combustion Processes (ME-503): Spring & Summer 82/83 + Spring 83/84 + Fall 85/86 + Spring 95/96.

2. Advanced Thermodynamics (ME-505) , (ME570), (ME744): Fall 81/82 + Spring 82/83 +Fall 2001/02.

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3. Advanced Gas Turbine (ME-506), (ME749): Summer 81/82 + Spring 84/85+ Spring 85/86+ Spring 2001/2002

4. Advanced Lab. (ME 562) : Spring 92/935. Advanced Topics in Mechanical Engineering (ME560):Fall 95/96.

6. Advanced Autotronics: Fall 2003/04 (Al-Balqa University)

7. Graduate Seminar (ME 790) :Fall 2004/05

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EMPLOYMENT & INDUSTRIAL EXPERIENCE

1. Employer: Irbid District Electricity Company, Jordan.Period: 20 August 1969-26 Sept. 1975.Position: Power Station Engineer, promoted in the last three years to chief engineer of all the stations of the company.

2. Employer: Irbid District Electricity Company, Jordan. Industrial Experience with: Ruston, Paxman, Dorman, English Electric Diesels, Napier

Turbochargers, Ruston Gas Turbines, General Electric Co.(GEC) Turbine Generators, Glacier Metal Bearings, Regulateurs Europa (Governors), Bryce Berger (Fuel injection systems), Houseman & Thompson (water treatment), GEC industrial boilers, Woods of Colchester (ventilation & air conditioning), Coventry Radiators & Presswork, Deloro Stellite (hardfacing), Negretti & Zambra (instruments), GEC Switchgear & Transformers, & Ruston Research Centre.Period: November 1973 - 29 August 1974.Position: Chief Engineer.

3. Employer: Cranfield Institute of Technology, EnglandPeriod: 15 September 1976 - 30 September 1979.Position: Researcher in Gas Turbine Technology and Turbomachines, especially Combustion of Heavy Fuels in Gas Turbines.

4. Employer: Mechanical Engineering Department, Yarmouk University, Irbid, Jordan.Period: 15 February 1980 - September 1986.Position: Assistant & then Associate Professor. Founding Chairman of the Department

5. Employer: Mechanical Engineering Department – Thermal,King Abdulaziz University, Jeddah, Saudi ArabiaPeriod: September 1986 – September 2001Position: Associate Professor then Professor (from 23rd December 1991)

6. Employer: Mechanical Engineering Department Jordan University of Science & Technology Period: 16 September 2001- present Position: Professor.

7. Employer: Jordan University of Science & TechnologyPeriod: 1st June 2004- 1st September 2006.Position: Founding Director of the “Energy Center” (Reporting directly to the President of the University.

RESEARCH INTERESTS1. Gas turbine engines: fuels, combustion, Turbomachines, heat transfer & energy systems.2. Energy utilization & energy conservation.3. Heat pumps for heating & air conditioning.4. Fuel Cells and Hydrogen production and safety.5. Internal combustion engines: modeling & performance.6. Refrigeration & Air Conditioning7. Autotronics, Novel Automotive Air Conditioning Systems8. Renewable energy9. Nano Technology in Energy Applications10. Green Technology11. Phase –Change Materials12. Exergy Analysis of Thermal systems.

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GRADUATE STUDIES1. Supervising three M. Sc. Theses.2. Examining four M. Sc. theses.3. Member on the examining committee for the departmental graduate comprehensive exam:

Fall 82/83, Spring 83/84, Fall 84/85, Spring 84/85, Fall 85/86, Spring 85/86.GRANTS & CONTRACTS

1. National Planning Council (Jordan): Investigation on the Jordanian shale oil & its potential for use in engines.

2. King Abdulaziz City for Science & Technology (KACST)(Saudi Arabia): Utilization of Hydrogen.

3. KACST: Enhancement of Gas Turbine Performance by Waste Heat Recovery Using Heat Pipes.

4. TEMPUS (European) Project: Establishing an Energy Center & developing an M. Sc Program in Energy Technology.

5. KADDB Project: Improvement of Ignition and Fuel Injection in Automotive Engines.

HONOURS & AWARDS1. Academic Scholarship during the B.Sc. studies in Cairo University.2. Academic Grant during the Ph.D. studies in Cranfield Institute of Technology.3. Chairing the session on "emissions" in the 1983 Tokyo International Gas Turbine Congress.4. Chairing the session on "Solar Drying" in the First Symposium on Using Solar Energy in

Agricultural Applications", Baghdad, December 15-18, 1985.5. Invitation to chair two sessions on "Combustion" in the 1987, Tokyo International Gas Turbine

Congress.6. Invitation to chair a session on "Cogeneration, Heat Pump & Recovery" in the International

Symposium on Thermodynamic Analysis & Improvement of Energy Systems, June 5-8, 1989, Beijing, China.

7. Chairing the session on “Thermal Energy” in JIMIEC 99.8. Invitation to chair a session on “Thermal Systems” in “International Workshop on Energy

Conservation in Industrial Applications” WEC’2000 at KFUPM.9. Invitation for membership of ASME Industrial and Cogeneration Committee, and organizing

technical sessions.

PROFESSIONAL SOCIETIES & INTERNATIONAL RECOGNITIONS:Fellow is a grade of distinction which recognizes exceptional engineering achievements & contributions to the engineering profession.

10. “Fellow” of the American Society of Mechanical Engineers, “ASME”, (1999). 11. "Fellow” of the Institute of Energy, U.K. (1990).12. “Member” of the "Editorial Advisory Board", for the Journal of "Energy & Environment" - U.K.13. “Member” of the “Editorial Advisory Board “, for the Journal of “Applied Thermal Engineering –

U.K."14. ‘Member” of the” Editorial Board” for Yarmouk University Journal-Sciences, Jordan.15. 1995- Award of Excellence for an “Outstanding Paper” , The “Journal of Aircraft

Engineering & Aerospace Technology” , (Paper No. 84)16. “Invited Keynote Lecture” in the Second Jordanian International Mechanical Engineering

Conference “JIMEC 97” , Jordan University, Amman ,June 1-5,1997.17. “Invited Keynote Lecture “ in the Third International Mechanical & Industrial Engineering

Conference “JIMIEC 99”, Applied Science University, Amman, May 9-12, 1999.18. “Invited Keynote Lecture” in the 4th International Mechanical Engineering Conference “JIMEC

2001”, Amman National University, Amman, Oct.2001.19. “Invited Keynote Lecture” on “Autotronics” in the “Day of Mechatronics” organized in the

University of Jordan & the Engineers Association, March 2004.

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20. “Invited Keynote Lecture” on “Energy & Environment” in the 5 th Jordanian International Mechanical Engineering Conference, IMEC 2004, Al-Balqa Applied University.

21. 2007- Award of Excellence for an "Outstanding Paper", as a Highly Commended Winner , The "Journal of Aircraft Engineering and Aerospace Technology", (paper No. 125).

22. Member of ASME Industrial and Cogeneration Committee, and Session Organizer.COMMITTEESNational

1. Representative of the University on the Jordanian Committee for Specifications & Standards, 1981-1983.

2. Member of the technical committee for the Jordanian Code of Ventilation & Lighting, 1982-1983.

3. Member of the "Energy Committee" of Jordan, 2006.THE UNIVERSITY

1. Member of committees for recruitment of engineers & technicians.2. Chairman of the Committee of Equipment & Machinery (for transferring machinery from

Jordan Valley Authority to Yarmouk University).3. Member of the Committee on Certificates Evaluation.4. Coordinator of the Residents Committee 1984/85, 1985/86.5. Member of the Accommodation Committee 1984/86.6. Member of the Legal Committee/University Council 1985/86.7. Member of the University Council, representative of Faculty of Engineering 1985/86.8. Member of the Board of Directors of the Centre for Educational Research & Development

1985/86.9. Chairman of the "Energy Efficiency Committee" in the University, 2006.

FACULTY OF ENGINEERING

1. Acting Head, Mechanical Engineering Department.2. Member of the Faculty Council.3. Member of the Scientific Research Committee.4. Member of Postgraduate Committee.5. Member of the Committee on Labs & Workshops.6. Chairman of the Enquiry Committee, 1983/84 + 1984/85.7. Member of the Curriculum Committee 1984/85 + 1987/88.8. Member of the Faculty Council (selected expertise), 1987/88 + 1988/89.9. Academic Advising Committee 92/93.10. Member of the committee for revising “ Physics courses` content “11. Member of the Accreditation Committee 2004,200512. Member of the Library Committee 2004,2005

MECHANICAL ENGINEERING DEPARTMENT1. Chairman of Department Council & Committees (Credit_ hour teaching system),

Oct.1980 - Sept.1982.2. Chairman of committees for preparing specifications, technical evaluation, planning & erection

of the following labs:a. Thermodynamics.b. Mechanical Engineering Labs I & II.c. Internal Combustion Engines.d. Heat Transfer.e. Fluid Mechanics & Hydraulic Machines.f. Strength of Materials.g. Instrumentation Lab.h. Mechanical Laboratories – extensions

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3. Evaluation of bids for:a. Drawing & Surveying Labsb. Dynamics Labc. Aerodynamics Lab

4. Chairman of Curriculum Committee, 1982/83.5. Member of Postgraduate Committee, 1982/83 + 1984/85,1997,2006,2007,2008,2010.6. Member of Faculty Recruitment Committee, 1983/84, 1985/86.7. Member of Curriculum Committee, 1984/85, 1993-1995.8. Member of Departmental Council, 1980 -present9. Technical Training Coordinator, 1989 to 2001.10. Coordinator of: Thermodynamics I, 1989/90.11. Supervision of “Fuels & Internal Combustion Engines Lab”, 1994-1995.12. Member of “Scientific Research Committee “,1987-1988,2008.13. Member & Chairman of Education Development Committee, 1987-1990 14. Member of Students Academic Affairs & Supervision, 1990-1993, 1995-Present.15. Member of Labs Committee,1993,1994,2007.16. Member of the Committee for Evaluation of Postgraduate Curriculum, 1996 17. Member of the Committee for Development & Follow-Up, 1995 -1996. 18. Member of the Committee for the Development of the Curriculum for “Marine Engineering”,

1996.19. Member of the committee for Scientific Research 229,2010.20. Chairman of the Senior B.Sc. Project Committee: 2003, 2004, 2005,2006,2007,2008.21. Chairman of the Library Committee: 2002, 2004, 2005,2006,2007,2008,2009,2010.22. Chairman Faculty Promotion Committees , especially in the Thermal Power, for the ranks of

Associate and Full Professors : 2002- 2007.23. Member and Chairman of the Accreditation Committee (ABET):1998_2001,2004,

2005,2006,2007,2008,2009.

COMMUNITY SERVICES & CONSULTATIONS

1. Carrying out technical & economic analysis of major bids from four international manufacturers for the new Irbid power station (Jordan).It is noteworthy that the recommendations coincided with those of an international consultant firm who used detailed computer runs (1973).

2. Detailed technical study of the water pumping stations & their main network in north Jordan for the Water Supply Authority, January 1980.

3. Participation within a team in the preparation & formulation of the "Code of Ventilation, Illumination & Hygiene Regulations in Buildings" forwarded to the Jordanian High Commission on Buildings Regulations, April 1983.

4. Part-time consultant for the dean of “Community Services & Continuing Education” in 1999.5. Carried out internal-evaluation study for the college of engineering programs in light of the

ABET Criteria, in preparation for accreditation.

PROFESSIONAL SOCIETIES1. Fellow, ASME, (PE: Professional Engineer) (U.S.A).2. Fellow, the Institute of Energy (U.K.).3. C. Eng. (Chartered Engineer): Council of Engineering Institutions (U.K.)4. Member, Society of Jordanian Engineers.5. Who's who in the world, 1994?6. Member, International Advisory Committee for the International Energy Foundation (IEF).

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SPECIAL COURSES ATTENDED1. "Welding Technology", Stubs Welding Ltd., one week, March 25, 1974, England.2. “Gas Turbine Technology", April 22 - May 10, 1974, Rustons, England.3. "Napier Turbochargers", April 29 - May 10, 1974, England.4. "Machine Shop Engineering Practice", St. Helens College of Technology, 12 weeks, January -

April, 1974.5. "Foundry Practice", St. Helens College of Technology, 12 weeks, January - April, 1974.6. Symposium on Lubricants by Shell Company, in Jopetrol, Jordan, Sept. 20-22, 1981.7. “Editing of Scientific Journals”, KAAU, 23-24 December 1996.8. “Computer Courses” ,1997.9. “Applied Linguistics for Faculty Members”, 1998.10. “Overall Quality of Higher Education”, 1999.11. “ Solid Oxide Fuel Cells” ,Course organized by the European Union, Greece-Lemnos,3-8 Sep

06.

SEMINARS1. "Radiation & Smoke from Gas Turbines", Mechanical Engineering Department Seminar, July

28, 1981.2. "Combustor Liner Temperature in the Gas Turbine", ME Seminar, April 13, 1982.3. "Temperature Distribution at Gas Turbine Combustor Exit", ME Seminar April 16, 1983.4. "The Potential of Using the Jordanian Shale Oil in Gas Turbines", The First Jordanian

Engineering Conference, Amman, Jordan, September 25 - 28, 1983.5. "Engineering Prediction of Soot Concentration in the Primary Zone of the Gas Turbine

Combustor", ME Seminar, October 12, 1983.6. "A Developed Model for the Prediction of Soot Formation & Oxidation in the Gas Turbine",

Invited Lecture in the Department of Mechanical Engineering, University of Missouri, Rolla, U.S.A. October 20, 1985.

7. "Engineering Prediction of Soot Concentration in the Primary Zone of Gas Turbine Combustor", Thermal Eng. Dept. Seminar, KAAU, Jeddah, S.A., 21.3.1407H. (20.9.1987).

8. "A Developed Model for Soot Formation & Oxidation in Gas Turbines", Thermal Engineering Dept. Seminar, KAAU, Jeddah, S.A., 22.4.1408H (20.10.1988).

9. "Gas Turbine Combustion", American Society of Mechanical Engineers Seminar, Saudi Chapter, Jeddah, 28.9.1988.

10. "Aero-thermally Induced Vibrations in Gas Turbine Engines", Thermal Engineering Department Seminar, KAAU, Jeddah Training Centre, 28.4.1992.

11. "Lubricants, Fuels & Maintenance with Heavy-Duty Diesel Engines", American Society of Mechanical Engineers Seminar, Saudi Chapter, Jeddah, 17.5.1993.

12. “Some Trends & Progress in Gas Turbine Research & Technology”, Thermal Engineering Dep. Seminar ,KAAU ,Jeddah ,S.A., 4.11.1415H(4.41995); Al-Hijjawi College for Applied Engineering ,Yarmouk University , Jordan (25.7.1995); Jordan Electricity Authority ,Amman (4.9.1995);Jordan Petroleum Refinery ,August 1996; Jordan University for Science & Technology “JUST”, August 3,1996.

13. “Utilizing Gas Turbine Cogeneration Systems in Power & Industry”, Society of Jordanian Engineers ,Irbid Branch , July 29,1997; Jordan Electricity Authority, Amman (11.5.1999)

14. "Modern Automotive Technology-Autotronics", Society of Automotive Engineers, Irbid Branch, December 9,2005

15. Chairing Technical Sessions in the Scientific Day for the college & the Department;2004, 2005, 2006.

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16. “Energy Scenarios”, Philadelphia University, May 200617. “ Cogeneration and Combined Systems with gas Turbine Engines”, German Aerospace Center DLR- Stuttgart, August 06. “ Fuel Cell Development, EBZ GmbH” ,Dresden, Germany, September 2006.18- "Advances in Fuel Cell Technology", Mechanical Engineering Department –King Abdulaziz University –Jeddah , January 2007. "Gas Turbine Cogeneration Systems in Power and Industry", Cambridge University- Cambridge , England, 29th February, 2008.19- "Engineering Education: Directions and Perspectives for Development", Cambridge

University-Cambridge, England, 29th February 2008.20- “Gas Turbines: Relative Merits and Applications- Improving Efficiency”, Saudi Electric

Company,24 June 2009,Jeddah ,Saudi Arabia.

CONFERENCES & PRESENTATIONS(Please refer to the list of publications for the titles of presented papers).

1. Institute of Energy Annual Meeting, Cambridge University, 1979.2. "The Fourth Arab Mineral Resources Conference & Symposium on Solid Resources of

Energy", Amman, April 25 - 30, 1981.3. 20th Joint ASME/AICHE National Heat Transfer Conference, Milwaukee, Wisconsin, U.S.A.,

August 2 - 5, 1981. Presented paper No. 2.4. 27th ASME International Gas Turbine Conference, London, April 18 - 22, 1982. Presented

Paper No. 5.5. Turbo-charging & Turbochargers 1982 International Conference, London, April 26 - 28, 1982.6. Energex 82, "An International Energy Exposition & Conference", Regina, Canada, August 23 -

29, 1982. Presented Paper No. 6.7. 28th ASME International Gas Turbine Conference, Phoenix, Arizona, U.S.A., March 25 - 29,

1983. Presented Paper No. 10.8. 1983 Tokyo International Gas Turbine Congress, Tokyo, Japan, October 24 - 28, 1983 (in

association with ASME). Chaired a session on "emissions" & presented paper No. 11.9. Second Arab Seminar on Underground Storage, Amman, Jordan, Sept. 3-8, 1983.10. The 1985 ASME Joint Power Generation Conference, Milwaukee, U.S.A., October 20-24,

1985. Presented Paper No. 15.11. The First Symposium on Using Solar Energy in Agricultural Applications, Baghdad,

December15-18, 1985. Presented Paper No. 16.12. 31st ASME International Gas Turbine Conference, Dusseldorf, West Germany, June 8-12,

1986. Presented Paper No. 20.13. 35th ASME International Gas Turbine Conference, Brussels, Belgium, June 11-15, 1990.

Presented paper No. 54. 14. Second Saudi Symposium on Energy Utilization & Conservation, KFUPM, Dhahran, Nov. 27-

30, 1994. Presented Paper No. 9815. Fourth Saudi Engineering Conference, Jeddah 5- 8 November, 1995, Presented Paper No.94.16. Second Jordanian International Mechanical Engineering Conference, JIMEC97, Jordan

University, Amman, June 1997. Presented Paper No. 116,( Invited Keynote Lecture- Cogeneration Systems).

17. Third Jordanian International Mechanical & Industrial Engineering Conference, JIMIEC 99, Applied Science University, Amman, May 9-12, 1999. Presented Paper No. 117 (Invited Keynote Lecture- Combined Systems).

18. Sixth International Combustion Symposium, Marmara University, Istanbul, Turkey, 19-21 July 1999 . Presented paper No. 115.

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19. Fourth Jordanian International Mechanical Engineering Conference, Jimec 2001, Amman University, Amman, October 2001. Invited Keynote Lecture on :”Engine-Driven Systems”.

20. IASTED International Conference (EuroPes), Marbella –Spain, 3-5/9/2003.21. The Scientific Day of Mechatronics Engineering, Jordan University, Amman, March 8, 2004.

Invited Keynote Lecture on “ Autotronics Engineering”.22. Fifth Jordanian International Mechanical Engineering Conference, JIMEC 2004, Al-Balqa

Applied University. Invited Keynote Lecture on “Energy & Environment”.23. “Fuel Cell Conference”, Stuttgart-Germany, 26-28 September 2005.24. "The International Energy Day", Jordan University of Science & Technology, November 16,

2005. Presented a lecture on "Energy Scenarios".25. The Eighth "Arab Energy Conference-Energy & Arab cooperation", Amman 14-17 May 2006.26. "Workshop on Future of Energy in Jordan", Organized by Philadelphia University & The Higher

Council for Science & Technology, 20 May 2006. Invited Lecture on "World Energy Scenarios- The Options for Jordan".

27. "The Third International Conference on Thermal Engineering: Theory and Applications", May 21-23,2007, Amman, Jordan. Invited keynote Lecture on "Major Advances in Fuel-Cell Technology".

28. "The Knowledge-Based Industries and Nanotechnology International Conference", February 11-12, 2008, Doha-Qatar, Lecture on :"The Role of Nanotechnology in Developing Fuel Cells".

29. “Nanotech Europe 2009 Conference” ,Technical University of Berlin, 28-30 September 09, Germany.

30. “Joint German-Jordanian Workshop 2009-Energy and Alternative Fuels”, Jordan University12-16 October 2009, Amman, Jordan .

31. “Energy Management and Future Development”, Yarmouk University,4-5 October,2009,Irbid ,Jordan. Invited lecture on ‘Energy Efficiency”.

32. “Global Conference on Renewable Energy Efficiency for Desert Regions (GCREEDER 2011), Amman-Jordan,26-28 April 2011,Invited Lecture on “Hydrogen Safety”.

33. Renewable and Alternative Energy Utilization, Yarmouk University,23 June 2011,Invited Lecture on “Hydrogen Safety”.

PATENTS1. "Using Ramjets as Prime Movers in Non-aeronautical Applications", United Kingdom Patent

Office, Patent No. 2165310, 13th July 1988.PATENT PUBLICATIONS

1. "Turbofan Engines for L& & Sea Transport", 9 July, 1986. No. 8500004, United Kingdom.2. "A New Design of Pulsejets for Aeronautical Applications & L& Moving Vehicles", 25 March,

1987. No. 8515594, United Kingdom.INNOVATIONS

1. “Development of a Smart Device to Save Fuel Consumption in Vehicles” 2. “ Development of a Smart Controller for Ignition and fuel Injection Systems”

BOOKS1. "Internal Combustion Engines & Gas Turbines, Laboratory Manual", Mechanical Engineering

Department, Yarmouk University, Irbid, Jordan. 1985.2. Coauthor: "Diesel Mechanics", Ministry of Education, Jordan, 1987, (In Arabic). 3. “Autotronics” (Modern Automotive Technology), 2002.

BOOK REVIEW1. "Gas Turbine Fuels & Their Influence on Combustion", by J. Odgers & D. Kretschmer, Review

for Journal of FUEL, 1986.RESEARCH IN PROGRESS

1. Advanced Energy Systems with Gas Turbine Engines.

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2. Modeling & Performance of Internal Combustion Engines. 3. Alternative Fuels.4. Autotronics5. Green Technology in Land Transport.

SUPERVISING OF M. SC. THESES1. R. Droubi, "Soot Formation & Oxidation in the Gas Turbine", Dec. 1985.2. N. Lamfon "Gas Turbine Waste Heat Recovery Using Heat Pipe". 1993.3. A. Alghamdi,” Performance of Closed -Loop Steam -Cooled Gas Turbine System”, December,

1999.4. A. Jaber, "Performance of Gas Turbine Cogeneration with Inlet-Air Cooling Using Absorption

Refrigeration Powered by Exhaust Gases”, August 2005.5. H. Dalgamouni “Characteristics of Regenerated Automotive Gas Turbine at Variable Load”,

January 2007.6. A. Malkawi, “Performance Characteristics of a Hybrid Solid Oxide Fuel Cell –Micro Gas

Turbine for Automotive Applications”, May 2010.7. A. Shubbak, ”Wide-Range Air-Fuel Ratio Sensors for Control of Fuel Consumption and

Emissions from Modern Automotive Systems” EXAMINING M.SC THESES

1. "Conical Solar Still", May 1985.2. -Type Solar Still", December 1985.3. "The Potentiality of Cogeneration in the Industries of Saudi Arabia", June 1989.4. “A Study of Water Spraying System to Improve Climatic Conditions”, March, 1998.

EXAMINING PH.D THESES1. "Modeling and Testing of a Fuel Cell Utilizing Local Sand for Hydrogen Storage",

May 2007. PROFESSIONAL INVITED VISITS

1- “The High Institute of Aeronautics”, Moscow, August 2002: Invitation to give a seminar on “ Using ramjet engines in industrial applications”.

2- “The Royal Swedish Technical Institute (KTH)” , for two weeks (18 September- 30 September,2004) to discuss and develop an M.Sc Program in “ Energy Technology”, with special interest in “Fuel Cells” in the Chemical Engineering Department.

3- "German Aerospace Center, DLR" for one month (14 August – 14 September 2006) to carry out research on " Combined Gas Turbine Power Plants with Solid Oxide Fuel Cells"

4- “Fuel Cell Development, EBZ GmbH”, September 2006, Dresden, Germany.5- “Real SOFC 2006: Intensive Course on Solid Oxide Fuel Cell Technology “,

Organized by the European Project Real SOFC ,3-8 September 2006, Lemnos- Greece.

6- “Nanotech Europe 2009 Conference” ;Nanotechnology for Energy Applications and Materials ,28-30 September 2009 at the Technical University of Berlin, Germany

EVALUATION OF INTERNATIONAL PROJECTS

1- "Development of Metallic Interconnects for Solid Oxide Fuel Cells (SOFC's).

2- "The Development of Quasi-crystalline Alloys to Function as Hydrogen Storage Tanks".

3- "Development of Nano-Catalysts, Design and manufacture of Polymer Electrolyte Membrane(PEM) fuel Cell"

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Professional Engineering Training Courses ( 2011)

Gas and Steam Turbine Power1- Gas Turbines I : Operation ,Maintenance and Troubleshooting*

2- Gas Turbine Operation Analysis* 3-Gas Turbine Maintenance 4-Gas Turbine Auxiliary Systems*4’- Gas Turbine Applications5- Gas Turbines II : Design , Performance and Reliability*6- Gas Turbines III : Advanced Engine Systems; Matching ; Performance Deterioration and Recovery* 7- Gas Turbine Protection : Inspection ,Control , and Monitoring* 8- Performance Augmentation : Strategies for Gas Turbines and Combined Cycles*9- Ruston Gas Turbines(TB 5000):Instrumentation, Control and Monitoring10- Gas and Steam Turbine Plants : Design , Performance and Monitoring11- Steam Turbines: Operation and Maintenance12- Power and Desalination Plants: Based on Gas and Steam TurbinesــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــTurbomachines13- Pumps and Compressors: Operation, Troubleshooting and Maintenance*14- Fans and Blowers: Selection, Operation, Maintenance and Applications*15- Blowers ,Compressors and Turbochargers: Operation , Troubleshooting and Maintenance*16- Turbo and positive-Displacement Compressors*17- Pumps: Applications, Selection , Sizing ,Performance ,Operation ,Maintenance and Troubleshooting * 18- Centrifugal Compressors: Applications, Selection, Sizing, Performance, Maintenance and Troubleshooting* Static Equipment19- Piping and Valves: Design, Construction, Operation, Protection and Integrity20- Valves: Safety Relief Valves: Selection, Operation and Maintenance21- Boilers: Design, Operation, Control and Management22- Heat Exchangers: Shell and Tube Heat Exchangers Design, Operation, Control and Troubleshooting23- Gas Conditioning and Processing24- Sealing Technology: Design, Selection, Operation and Maintenance25- Instrumentation and Control: Sensors, Actuators, and Industrial Applications26- Maximizing Energy Efficiency in Buildings

27- Energy Conservation in Industrial Processes, Systems and Equipment

28- Nondestructive Evaluation: Technologies and Applications

29- Shaft and Coupling Alignment* 30- Fuel Handling SystemsInternal Combustion Engines and Automotive Technology31- Diesel and Gas Engines: Operation, Maintenance and Troubleshooting*32- Modern Automotive Technology: [ Autotronics]*ــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــRotating Equipment and Failure Analysis33- Rotating Equipment: Preventive and Predictive Maintenance*34- Reliability, Availability and Maintainability for Plant Profitability(RAMP)*35- Machinery Failure Analysis and Troubleshooting*----------------------------------------------------------------------------Professor Yousef S.H. NajjarFounding Chairman of Mechanical Engineering DepartmentFounding Director of the Energy Center Jordan University of Science and TechnologyP.O.Box 3030 - Irbid 22110 – JORDANTel.- Office: +9622-7201000 Ext 22569Telefax (Resid): +9622-7100836

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Mobile: 00962-785-793463E-mail: [email protected]. Bold-written courses are ready *: Films will be displayed

List of Publications in Refereed International Journals and Conferences (2011)

PROFESSOR YOUSEF S.H. NAJJAR

1. E.M. Goodger and Y.S.H. Najjar, "Heavy-Fuel Flame Radiation in Gas Turbine Combustors – Exploratory Results", FUEL, Vol. 56, pp. 437-440 October 1977.

2. Y.S.H. Najjar and E.M. Goodger, "Radiation and Smoke from the Gas Turbine Combustor Using Heavy Fuels", ASME Paper No. 81-HT-21, 20th Joint ASME/AICHE National Heat Transfer Conference, Milwaukee, Wisconsin, August 2-5, 1981.

3. Y.S.H. Najjar and E. M. Goodger, "Soot Formation in Gas Turbines Using Heavy Fuels, 1", FUEL , Vol. 60, pp. 980-986, October 1981.

4. Y.S.H. Najjar and E.M. Goodger, "Soot Oxidation in Gas Turbines Using Heavy Fuels, II", FUEL, Vol. 60, pp. 987-990, October 1981.

5. Y.S.H. Najjar, "Combustor Liner Temperature in the Gas Turbine Using Heavy Fuels", ASME Paper No. 82-GT-31, 27th International Gas Turbine Conference, London, April 18-22, 1982.

6. Y.S.H. Najjar, "Prediction of Some Performance Characteristics of Jordanian Shale Oil in the Gas Turbine Combustor", ENERGEX '82, The International Energy Conference and Exposition, August 23-29, 1982, Regina, Canada.

7. Y.S.H. Najjar, "Combustor Liner Temperature in The Gas Turbine Using Heavy Fuels", Journal of the Institute of Energy, Vol. LV, No. 425, pp. 195-200, December 1982.

8. Y.S.H. Najjar, "Some Performance Characteristics of the Gas Turbine Combustor Using Heavy Fuels", Journal of the Institute of Energy, Vol. LV, No. 425, pp. 187-194, December 1982.

9. Y.S.H. Najjar and E.M. Goodger, "Radiation and Smoke from the Gas Turbine Combustor Using Heavy Fuels", ASME Journal of Heat Transfer, Vol. 105, pp. 82-88, February 1983.

10. Y.S.H. Najjar, "Temperature Traverse Quality in the Gas Turbine Combustor Using Heavy Fuels", ASME Paper No. 85-GT-5, The 28th International Gas Turbine Conference Phoenix, Arizona, U.S.A., March 27-31, 1983.

11. Y.S.H. Najjar, "Engineering Prediction of Soot Concentration in the Primary Zone of the Gas Turbine Combustor", ASME Paper No. 83-GTJ-10, 1983 Tokyo International Gas Turbine Congress, October 23-28, 1983.

12. Y.S.H. Najjar, "Lubricants and Fuels Analysis as a Guide for Predictive Maintenance in Diesel Engines", ASME Paper No. 84-DGP-2, 1984 Energy Sources Technology Conference New Orleans, February 11-17, 1984.


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13. Y.S.H. Najjar, "Engineering Prediction of Soot Concentration in the Primary Zone of the Gas Turbine Combustor", FUEL, Vol. 64, pp. 93-98, January 1985.

14. T.K. Aldoss and Y.S.H. Najjar, "Further Development of the Swinging Blade Savonius Rotor", Journal of Wind Engineering, Vol. 9, No. 3, pp. 165-170, 1985.

15. Y.S.H. Najjar, "A Developed Model for the Prediction of Soot Formation and Oxidation in the Gas Turbine", ASME Paper No. 85-JPGC-GT, ASME International Joint Power Generation Conference, Milwaukee, Wisconsin, Oct. 20-24, 1985.

16. Y.S.H. Najjar and A. Badran, "The Solar Gas Turbine for Pump and Electric Generator Drive", The First Symposium on the Use of Solar Energy in Agricultural Applications", Baghdad, December 15-18, 1985, ENERGY, The International Journal, Vol. 11, No. 10, pp. 1027-1030, 1986.

17. Y.S.H. Najjar and H. Abukayyas, "Fuel Effect on Reciprocating Engine Performance", American Society of Automotive Engineers, SAE Paper No. 860085, 1986.

18. Y.S.H. Najjar, "Gibbs Function as a Correlating Performance Parameter for Fuels Used in Engines", The International Journal of Energy Research, Vol. 10, No. 1, pp. 45-57, January 1986.

19. Y.S.H. Najjar, "Temperature Traverse Quality in the Gas Turbine Combustor Using Heavy Fuels", The International Journal of Energy Research, Vol. 10, No. 2, pp. 193-202, April 1986.

20. Y.S.H. Najjar and T.K. Aldoss, "The Part-Load Performance of a Gas Turbine Engine with Two Turbines Working in Parallel", ASME Paper No. 86-GT-237, ASME 31st International Gas Turbine Conference, Dusseldorf, June 8-12, 1986.

21. Y.S.H. Najjar and T.K. Aldoss, "Turbofan Engines for Land and Sea Transport", United Kingdom Patent Office Publication, July 1986.

22. Y.S.H. Najjar, "A Developed Model for the Prediction of Soot Formation and Oxidation in the Gas Turbine", Journal of the Institute of Energy, Vol. LIX, No. 440, pp. 148-153, September 1986.

23. Y.S.H. Najjar "Gas Turbine Fuels and Their Influence on Combustion", Book Review, FUEL, Vol. 65, pp. 1317, 1986.

24. Y.S.H. Najjar and T.K. Aldoss, "Waste Energy Utilization in Regenerative Gas Turbine Cycles", ASME International Joint Power Generation Conference, Portland, Oct. 19-23, 1986.

25. Y.S.H. Najjar and A. Mansour "Gas-Turbine Total Energy Systems", ENERGY, The International Journal, Vol. 11, No. 10, pp. 1023-1025, 1986.

26. Y.S.H. Najjar and T.K. Aldoss, "Waste Energy Utilization in Heat Exchange Gas Turbine Cycles", Journal of Heat Recovery Systems, Vol. 6, No. 4, pp. 323-334, 1986.

27. Y.S.H. Najjar, "Prediction of Some Performance Characteristics of Shale Oil in the Gas Turbine Combustor", The International Journal of Energy Research, Vol. 11, No. 1, pp. 69-75, Jan. 1987.

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28. A.R. Mansour and Y.S.H. Najjar, "Evaluation of Peng-Robinson Equation of State in Calculating Thermo-physical Properties of the Gas Turbine Combustion Gases", J. Combustion Science and Technology, Vol. 56, pp. 77-84, 1987.

29. T.K. Aldoss and Y.S.H. Najjar, "The Performance of Two Savonius Rotors Running Side by Side", J. of Wind Engineering, Vol. 11, No. 2, p. 79-88, 1987.

30. Y.S.H. Najjar, "Lubricants and Fuels Analysis as a Guide for Predictive Maintenance in Diesel Engines", FUEL, Vol. 66, pp. 431-434, March 1987.

31. T.K. Aldoss and Y.S.H. Najjar, "A New Design of Pulsejets for Aeronautical Applications and Land Moving Vehicles", United Kingdom Patent Office Publication, March 1987.

32. Y.S. H. Najjar and R. Droubi, "Prediction of Gas Turbine Combustor Liner Temperature", ASME Paper No. 87-GT-177, ASME International Gas Turbine Conference, Anaheim, California, May 31-June 4, 1987.

33. Y.S.H. Najjar and R.M. Droubi, "Semi-empirical Method for the Prediction of Soot Formation in Gas Turbine Combustors", J. of High Temperature Technology, Vol. 5, No. 2, pp. 95-99, May 1987.

34. Y.S.H. Najjar, "Second Law Analysis of the Combustion Process in the Gas Turbine Engine", Journal of Engineering & Applied Science, Vol. VI, No. 1, pp. 5-10, June 1987.

35. Y.S.H. Najjar and R.M. Droubi "Prediction of Liner Temperature in Gas Turbine Combustors", FUEL, Vol. 66, pp. 1156-1160, August 1987.

36. Y.S.H. Najjar and R. Droubi, "Prediction of Soot Formation in Gas Turbine Combustors", Tokyo International Gas Turbine Congress, Paper No. 87--Tokyo-IGTC-57, October 26-30, 1987.

37. Y.S.H. Najjar and T.K. Aldoss, "Performance of a Gas Turbine Engine with Two Methods of Control", Journal of the Institute of Energy, Vol. LX, No. 445, pp. 185-192, December 1987.

38. Y.S.H. Najjar and A. Mansour, 'Evaluation of SRK Equation of State in Calculating Thermo-physical Properties of Combustion Gases", The International Journal of Energy Research, Vol. 11, No. 4, pp. 459-477, December 1987.

39. Y.S.H. Najjar, "Optimization of Shaft Gas Turbine Cycles", The International J. of Mech. Engineering Education Vol. 15, No. 4, pp. 267-276, 1987.

40. A. Mansour and Y.S.H. Najjar, "An Accurate Equation of State to Predict Thermodynamic Properties of Pure Substances", J. of Energy Progress, Vol. 7, No. 4, pp. 183-185, December 1987.

41. Y.S.H. Najjar and A. Mansour, "Evaluation of Peng Robinson Equation of State in Calculating Thermo-physical Properties of Combustion Gases", International Journal of Chemical Engineering Communications, Vol. 61, pp. 327-345, 1987.

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42. Y.S.H. Najjar, "Optimum Performance of a Simple Gas Turbine Engine Used as a Source of Compressed Air", Journal of High Temperature Technology, Vol. 6, No. 1, pp. 27-29, February 1988.

43. M. Othman, Y.S.H. Najjar and T. W. Abou Arab, "Fuel Effect on Induced Vibrations in Gas Turbine Engines", FUEL Vol. 67, pp. 321-326, March 1988.

44. Y.S.H. Najjar and M. Othman, "Fuel Effect on Vehicular Gas Turbine Performance", FUEL, Vol. 67, pp. 994-966, July 1988.

45. T.K. Aldoss and Y.S.H. Najjar, "Using Ramjets as Prime Movers in Non-aeronautical Applications", United Kingdom Patent Office, Patent No. 2165310,13th July 1988.

46. Y.S.H. Najjar and H. AbuKayyas, "Performance of Automotive Reciprocating Engines with Different Fuels", Journal of Fuel Science and Technology International, Vol. 6, No. 3, pp. 315-327, 1988.

47. Y.S.H. Najjar and A.M. Radhwan, "Cogeneration by Combining Gas Turbine Engine with Organic Rankine Cycle", Journal of Heat Recovery Systems and CHP, Vol. 8, No. 3, pp. 211-219, 1988.

48. Y.S.H. Najjar, "Forced Draft Cooling Tower Performance with Diesel Power Stations", Journal of Heat Transfer Engineering, Vol. 9, No. 4, pp. 36-44, 1988.

49. Y.S.H. Najjar, "Performance Analysis of a Solar Gas Turbine", J. High Temperature Technology, Vol. 7, No. 1, pp. 27-32, February 1989.

50. Y.S.H. Najjar and M.N. Nahas, "A Comparative Study of Engine-Driven Heat Pumps", J. Institute of Energy, Vol. LX11, N. 451, pp. 102-107, June 1989.

51. Y.S.H. Najjar and M.N. Nahas, "Optimum Performance of Engine-Driven Heat Pumps", International Symposium on Thermodynamic Analysis and Improvement of Energy Systems, Beijing, China, June 5-8, 1989.

52. Y.S.H. Najjar and M.N. Nahas, "Feasibility of Gas Turbine Assisted Heat Pumps for Space Heating", Journal of Heat Recovery Systems and CHP, Vol. 9, No. 6, pp. 513-520, 1989.

53. T.W. Abou-Arab, M.O. Othman, Y.S.H. Najjar and N.T. Ahmad, "Combustion and Heat Transfer Characteristics for Dual-Fuel Cylindrical Water Heater Model", FUEL, Vol. 69, pp 485-489, April 1990.

54. Y.S.H. Najjar, "Energy Conservation with Catalytic Cracking in the Refinery", ASME Paper No. 90-GT-181, ASME International Gas Turbine and Aeroengine Congress Brussels, June 1990.

55. Y.S.H. Najjar, "Hydrogen Gas Turbine Cycle for Waste Heat Recovery and Deliquefaction of LNG", ASME Cogen-Turbo IV New Orleans, August 1990.

56. Y.S.H. Najjar, A.H. Zahed, M.D. Bashir, and Talip Alp, "Feasibility of Hydrogen Utilization in Gas Turbine Engines", Journal of Energy and Environment, Vol. 1, No. 3, pp 240-251 1990.

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57. Y.S.H. Najjar, "Developing a Graphical Analytical Procedure and Experimental Facility for Determining Compressibility of Gases", International Journal of Applied Engineering Education, Vol. 6, No. 5, pp. 573-578, 1990.

58. Y.S.H. Najjar, "Hydrogen Fueled and Cooled Gas Turbine Engine", International Journal of Hydrogen Energy, Vol. 15, No. 11, pp 827-832, 1990.

59. Y.S.H. Najjar and M.S. Ismail, "Optimum Pressure Ratios for Different Gas Turbine Cycles", Journal of High Temperature Technology, Vol. 8, No. 4, pp 283-289, 1990.

60. Y.S.H. Najjar, "Saving Energy in Refineries by Means of Expanders in Fluidized Bed Catalytic Cracking", Journal of the Institute of Energy Vol. LXVI, No. 458, pp. 31-35, March 1991.

61. Y.S.H. Najjar, "A Cryogenic Gas Turbine Engine Using Hydrogen for Waste Heat Recovery and Re-gasification of LNG", International Journal of Hydrogen Energy Vol. 16, No. 2, pp. 129-134, 1991.

62. A.H. Zahed, M.D. Bashir, Talip Alp and Y.S.H. Najjar, "A Perspective of Solar Hydrogen and its Utilization in Saudi Arabia", International Journal of Hydrogen Energy, Vol. 16, No. 4, pp. 277-281, 1991.

63. M.O. Othman, T.W. Abou-Arab and Y.S.H. Najjar "Effect of Fuel-Air Mixture Heterogeneity on Vibration in Continuous Combustion Systems", Journal of Energy and Environment Vol. 2, No. 2, pp 138-152, 1991.

64. Y.S.H. Najjar and M.B. Habeebullah, "Energy Conservation in the Refinery by Utilizing Reformed Fuel Gas and Furnace Flue Gases", Journal of Heat Recovery Systems & CHP, Vol. 11, No. 6, pp 517-521, 1991.

65. Y.S.H. Najjar, "The Overexpansion Gas Turbine Cycle Using Hydrogen", The International Journal of Hydrogen Energy, Vol. 16, No. 9, pp 625-629, 1991.

66. Y.S.H. Najjar and A.M. Radhwan, "Comparison of Total Energy Systems Using Gas Turbine and Diesel Engine for Combined Cooling", International Journal of Refrigeration , Vol. 14, pp 351-356, Nov. 1,1991.

67. A.A. Badran and Y.S.H. Najjar, "The Inverted Trickle Flat Plate Solar Collector", International Journal of Solar Energy, Vol. 14, pp. 33-41, 1993.

68. T.W. Abou-Arab, M. Othman, and Y.S.H. Najjar, "Vibration Spectra as a Feedback for Controlling Multi-Cylinder Engine Performance", Journal of Energy and Environment, Vol. 3, No. 2, pp. 176-192, 1992.

69. Y.S.H. Najjar, and M. S. Zaamout, "Comparison of Performance of Single and Twin-Shaft Solar Gas Turbine Systems", The International Journal of Ambient Energy, Vol. 13, No. 2, pp 103-111, April 1992.

70. Y.S.H. Najjar, and M.S. Zaamout, "Comparative Performance of Closed-Cycle Gas Turbine Engine with Heat Recovery Using Different Gases", Journal of Heat Recovery Systems and CHP, Vol. 12, No. 6,pp 489-495, 1992.

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71. Y.S.H. Najjar and M.S. Zaamout, "Cryogenic Power Conversion with Re-gasification of LNG in a Gas Turbine Plant", Journal of Energy Conversion and Management, Vol. 34, No. 4, pp 273-280, 1993.

72. Y.S.H. Najjar, M.M. Al-Beirutty and M.S. Ismail, "A Two-Constant Equation of State for Accurate Prediction of Joule-Thomson Inversion Curve for Air in Cryogenic Applications", Journal of Cryogenics, Vol. 33, No. 2, pp. 169-174, 1993.

73. Y.S.H. Najjar and R.M. Droubi, "A Potentially Capable Model for Predicting Combustor Liner Temperature in Gas Turbines", Journal of Fuel Science and Technology International,, Vol. 11, No. 7, pp 863-873 , 1993.

74. O.M. Al-Rabghi, M. Al-Beirutty, M. Akyurt, Y.S.H. Najjar and T. Alp, "Recovery and Utilization of Waste Heat”, J. Heat Recovery Systems and CHP. Vol. 13, No. 5, pp. 463-470, 1993.

75. Y.S.H. Najjar, M. Akyurt, O.M. Al-Rabghi and T. Alp, "Cogeneration with Gas Turbine Engines", J. Heat Recovery Systems & CHP. Vol.13, No.5, pp. 471-480, 1993.

76. O.M. Al-Rabghi, M. Akyurt, Y.S.H. Najjar and T. Alp, “Heat Exchangers for Waste-Heat Recovery", J. Energy & Environment, Vol. 4, No.3, pp 284-306, 1993.

77. M. Akyurt, M. Al-Beirutty, O.M. Al-Rabghi, Y.S.H. Najjar and T. Alp, "Heat Pipes for Waste Heat Recovery", Transactions, Mechanical Engineering, I.E. Aust, Vol. ME 18, No.3, 1993.

78. Y.S.H. Najjar and M.N. Nahas, "Intercooled Low Pressure Turbo- Steam-Injection Gas Turbine with Cogeneration", Journal of the Institute of Energy, Vol. LXVII, No. 470, pp. 30-36, March 1994.

79. Y.S.H. Najjar and M. Akyurt, "Combined Cycles with Gas Turbine Engines", Journal of Heat Recovery Systems & CHP, Vol. 14, No.2, pp. 93-103, 1994.

80. Y.S.H. Najjar, M. Akyurt, O.M. Al-Rabghi and T. Alp, "Review of Some Energy and Environmental Aspects of the Gas Turbine Engine", Journal of Energy &, Environment Vol.5, No.2, pp 127-142, 1994.

81. Y.S.H. Najjar, "Performance of Simple Gas Turbine Engines in Two Modes of Operation", Journal of Energy Conversion and Management. Vol. 35 , No. 5, pp. 343-441 , 1994

82. M. Othman, Y.S.H. Najjar and T.W. Abou Arab "Vibration Analysis of a Single Cylinder Internal Combustion Engine in S.I. and C.I. Modes", Journal of Noise and Vibration in Industry, Vol.8, No.3, pp 54-53, 1994.

83. N.J. Lamfon, M. Akyurt and Y.S.H. Najjar, "Waste Heat Recovery Using Looped Heat Pipes for Air Cooling", Journal of Heat Recovery Systems and CHP, Vol.14, No.4, pp. 365-376, 1994.

84. Y.S.H. Najjar, T.K. Aldoss, "Boosting Aero-engine Thrust by Using Ramjets", Journal of Aircraft Engineering and Aerospace Technology, Vol.66, No.6, pp. 2-4,1994.[Outstanding Paper -1995 Award of Excellence]

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85. N.J. Lamfon, M.Akyurt, Y.S.H.Najjar and O.M. Al-Rabghi, "Thermo-physical Relationships for Waste Heat Recovery Using Looped Heat Pipes", International Journal of Energy Research, Vol. 18, No. 7, pp. 633-642, 1994.

86. Y.S.H. Najjar ,N.J. Lamfon and M. Akyurt, " Modeling and Simulation of Gas Turbine Engines, Part 1: Design Point Performance at ISO Conditions", International Journal of Power and Energy Systems,Vol.15,No.2,pp. 61-67,1995.

87. Y.S.H. Najjar, N.J. Lamfon and M. Akyurt, " Modeling and Simulation of Gas Turbine Engines, Part 2: Impact of Ambient Conditions on Gas Turbine Performance", International Journal of Power and Energy Systems, Vol.15 , No.3, pp. 94-103,1995.

88. M. Akyurt, N.J. Lamfon , Y.S.H. Najjar, M.H. Habeebullah and T.Y. Alp, "Modeling of Waste Heat Recovery by Looped Water-in-Steel Heat Pipes", The International Journal of Heat and Fluid Flow,Vol.16, No.4, pp. 263-271, 1995.

89. Y.S.H. Najjar and M.S. Zaamout, "A Gas Turbine Engine Integrated with a Combined Power and Refrigeration Closed System", Journal of the Institute of Energy,Vol.68, No.476, pp. 152-156,Sep.1995.

90. Y.S.H. Najjar, N.J. Lamfon and M. Akyurt, "Modeling and Simulation of Gas Turbine Engines at Different Loading Conditions", ECOS 95 International Conference, July 11-14,1995,Istanbul, Turkey.

91. M. Akyurt, Y.S.H. Najjar, and M. Habeebullah, "Performance of a Heat Pipe Based Waste-Heat Recovery and Utilization System for a Gas Turbine Engine", Journal of The Institute of Energy ,Vol.68, No.475, pp. 80-84, June 1995

92. Y.S.H. Najjar, "A Review of Aero-thermally Induced Vibrations in Gas Turbine Engines", Journal of Energy and Environment, Vol.6, No.2, pp. 143-157, 1995.

93. Y.S.H. Najjar and M.S. Zaamout, "Combined Power and Refrigeration System Utilizing the Waste Heat of a Gas Turbine Engine", ECOS 95 International Conference, July 11-14, 1995, Istanbul, Turkey.

94. N.J Lamfon, Y.S.H Najjar and M.Akyurt, “Consideration on Using Heat Pipes to Recover Gas Turbine Waste Heat ,” Proceedings of the Fourth Saudi Engineering Conference ,Vol.4, pp277-283, Nov.1995, Jeddah.

95. Y.S.H. Najjar, "Enhancement of Performance of Gas Turbine Engines by Inlet Air Cooling and Cogeneration System", Journal of Applied Thermal Engineering,Vol.16,No.2,pp.163-173,1996

96. Y.S.H. Najjar, N.J. Lamfon and M. Akyurt, " Modeling and Simulation of Gas Turbine Engines” , Part 3: Analysis of Part Load Performance", International Journal of Power and Energy Systems,Vol.16,No.1,pp. 29-35,1996.

97. N.J. Lamfon, M. Akyurt, Y.S.H. Najjar and O.M. Al-Rabghi, "Performance of a Waste Heat Recovery System Using Looped Heat Pipes", International Journal of Power & Energy Systems, Vo.l6, No1, pp. 40-47, 1996.

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98. Y.S.H. Najjar, "Some Trends and Progress in Gas Turbine Technology and Research", Journal of Energy Conversion and Management, Vol.37, No.12, pp1713-1723, 1996.

99. Y.S.H. Najjar and M.S. Zaamout, "Performance Analysis of Gas Turbine Air-Bottoming Combined System", Journal of Energy Conversion and Management ,Vol.37, No.4, pp. 399-403, 1996.

100. N.J. Lamfon, O.M. Al-Rabghi, M. Akyurt and Y.S.H. Najjar, "Modeling and Simulation of a Waste Heat Recovery System Using Looped Heat Pipes", International Journal of Power and Energy Systems, Vol.16, No.3, pp120-129,1996 .

101. Y.S.H. Najjar, and A.M. Al-Turki, "Modeling and Simulation of Spark-Ignition Engines", Journal of Fuel Science and Technology International., Vol.14,No. 8,pp993-1018,1996.

102. Y.S.H. Najjar, and A.M. Al-Turki, "Modeling and Simulation of Compression-Ignition Engines", Journal of Fuel Science and Technology International, Vol. 14, No.8, pp1019-1035, 1996.

103. Y.S.H. Najjar and M.S. Zaamout, "Enhancing Gas Turbine Engine Performance by Means of the Evaporative Regenerative Cycle", Journal of The Institute of Energy, Vol.69 , No.478,pp2-8, March 1996.

104. Y.S.H. Najjar, and M. Habeebullah, "Re-powering a Steam Power Plant by by means of Fluidized-Bed-Combustion and a Two-Shaft Gas Turbine", Journal of the Institute of Energy,Vol.69,No.479,pp112-118,June 1996.

105. Y.S.H. Najjar, "Relative Effect of Pressure Losses and Inefficiencies of Turbomachines on the Performance of Heat-Exchange Gas Turbine Cycle", Journal of Applied Thermal Engineering, Vol.16, No.8/9, pp 769-776, 1996.

106. M.A. Al-Nimr, V.S. Arpaci and Y.S.H. Najjar,” Temperature and Soot Concentration in a High Soot Density Flame”, International Journal of Heat and Mass Transfer, Vol.39, No.6, pp1235-1241, 1996.

107. Y.S.H. Najjar, "Comparison of Performance for Cogeneration Systems Using Single or Twin-Shaft Gas Turbine Engines", Journal of Applied Thermal Engineering, Vol 17,No. 2,pp113-124,1997.

108. Y.S.H. Najjar, "Determination of Thermodynamic Properties of Some Engineering Fluids Using Two-Constant Equations of State" Journal of Thermochimica Acta, Vol. 303, pp 137-143, 1997.

109. M. Habeebullah, M. Akyurt, and Y.S.H. Najjar , "A Heat-Pipe Assisted Waste Heat Recovery and Utilization System”, Transactions Mechanical Engineers, I.E. Aust, Vol. ME 22, Nos.1&2, pp55-59,1997.

110. Y.S.H. Najjar, “Parametric Study of the Residual Gas in Spark Ignition Engine ” ,Journal of Petroleum Science and Technology ,Vol.15 ,Nos.9&10,1997.

111. N.J. Lamfon , Y.S.H. Najjar and M. Akyurt, “Modeling and Simulation of Combined Gas Turbine Engine and Heat Pipe System for Waste Heat Recovery and Utilization”, Journal of Energy Conversion and Management , Vol.39, No.1/2, pp81-86,1998.

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112. Y.S.H. Najjar, "Comparison of Modeling and Simulation Results for Single and Twin-Shaft Gas Turbine Engines" International Journal of Power and Energy Systems ,Vol. 18,No. 1, pp 29-33,1998.

113. Y.S.H. Najjar and M.S. Zaamout, ”Performance Analysis of Compressed Air Energy Storage (CAES) Plant for Dry Regions”, Journal of Energy Conversion and Management, Vol. 39, No. 15, pp1503-1511,1998.

114. Y.S.H. Najjar,” Comparison of Performance of the Integrated Gas and Steam Cycle (IGSC) with the Combined Cycle (CC) “, Journal of Applied Thermal Engineering, Vol. 19, No. 1., pp75-87,1999.

115. Y.S.H. Najjar,” Combined Gas Turbine Engine with Water Desalination System”, International Journal of Power and Energy Systems ,Vol. 20, No.1, pp 36-43, 2000.

116. Y.S.H. Najjar, “Gas Turbine Cogeneration Systems: a Review of Some Novel Cycles”, Journal of Applied Thermal Engineering, Vol.20, No. 2, pp 179-197, 2000.

117. Y.S.H. Najjar, “Efficient Use of Energy by Utilizing Gas Turbine Combined Systems”, Journal of Applied Thermal Engineering , Vol.21,No.4,pp 407-438,2001.

118. Y.S.H. Najjar and A.M.S. Akeel,” Effect of Pre-whirl on the Performance of Centrifugal Compressors”, International Journal of Rotary Machinery, vol.8, No. 6 , pp397-402, 2002.

119. Y.S.H. Najjar, “Directions and Perspectives for Development of Engineering Education in Jordan”, European Journal of Engineering Education, Vol.28, No.1, pp47-58, 2003.

120. M. Alhazmy and Y.S.H. Najjar,” Augmentation of Gas Turbine Performance Using Air Coolers”, Journal of Applied Thermal Engineering, Vol. 24, Nos.2-3, pp415-429, 2004.N.B. One of the most cited articles for the years 2002-2005.

121. M.H. Al-Beirutty, A.S. Alghamdi and Y.S.H. Najjar, “Heat Transfer Analysis for a Multisage Gas Turbine Using Different Blade-Cooling Schemes, Journal of Applied Thermal Engineering,Vol.24,No.4 ,pp563-577,2004.

122. Y.S.H. Najjar, A.S. Alghamdi and M.H. Al-Beirutty, ”Comparative Performance of Combined Gas Turbine Systems Under Three Different Blade Cooling Schemes”, Journal of Applied Thermal Engineering ,Vol.24,No.13,pp1919-1934,2004.

123. Y.S.H. Najjar and A. Al-Khadrawi “Parametric Study of Heat Transfer in Internal Combustion Engines”, International Journal of Heat and Technology, vol 22, No.2,pp121-128,2004.

124. G.M. Tashtoosh and Y.S.H. Najjar and " Feasibility of Engine-Driven Systems for Space Heating ", IASTED International Conference on Power and Energy Systems (Europes 2004),Re:442-054,June,28-30,2004,Rhodes ,Greece.

125. Y.S.H. Najjar and N. Al-Juba” Comparison of Performance of Compressed-Air Energy –Storage Plant (CAES) with Compressed-Air Storage with Humidification(CASH)”, Proceedings of the Institution of Mechanical Engineers (IMechE),Vol.220, Part A ,Journal of Power and Energy, pp581-588,2006.

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126. Y.S.H. Najjar and S. F. Al-Sharif , “Thermodynamic Optimization of the Turbofan Cycle”, Journal of Aircraft Engineering and Aerospace Technology,Vol.78, No. 6, pp467-480, 2006.[Outstanding Paper-2007 Award of Excellence]

127. Y.S.H. Najjar and S.A.M.S. Akeel, "Evaluation of Mass Flow Rate Through an Axial Gas Turbine Stage Using Different Computational Methods", Proceedings of the Institution of Mechanical Engineers, Part E,Journal of Process Mechanical Engineering,vol 221,No.E2, 2006.pp109-116128. N. Al-Juba and Y.S.H. Najjar,” Comparison of Performance of a Cascaded Humidified

Advanced Turbine (CHAT) with Combined Gas Turbine Engine”, The International Journal of Sustainable Energy, vol. 26,No.4, Dec. 2007,pp209-220.

129. Y.S.H. Najjar," Modern and Appropriate Technologies for the Reduction of Gaseous Pollutants and Their Effects on Environment”, The International Journal of Clean Technologies and Environmental Policies, vol 10, 2008,pp269-278.

130. Y.S.H. Najjar, “Alternative Fuels with Spark Ignition Engines”, The International Journal of Fuels and Energy ,2009,2,pp1-9,

131. A.S. Alghamdi, Yousef S.H. Najjar and M.H.Al-Beirutty,“ Aero-thermal Design of a Multistage axial-Flow Gas Turbine with Air Cooling" ,Accepted for publication in the International Journal of Mechanical Engineering Education, Vol 38,No.1,Jan 2010,pp9-27.

132. M. Bani Amer and Y.S.H. Najjar, ”The Role of Neuro-fuzzy Modeling, as a Greening Technique in Improving the Performance of Vehicular Spark-Ignition Engines”, International Journal of Intelligence and Soft Computing,Vol 2,No. 3,2010,pp199-210..

133. Y.S.H. Najjar and M.R. Al-Haddad,”Comparison of Performance of a Compact Spark-Ignition Engine with Conventional S.I. Engine”, The International Journal of Energy Research, Vol 35,Issue 7, May 2011,pp 640-646.

134. Y.S.H. Najjar, “Comparison of Performance of a Greener Direct-Injection Stratified – Charge Engine (DISC) with a Spark-Ignition Engine, Using a Simplified Model”, Energy ,The International Journal ,vol 36,(2011),pp4136-143.

135. Y.S.H. Najjar, ”Gaseous Pollutants Formation and Their Harmful Effects on Health and Environment”, Journal of Innovative Energy Policy,vol.1(2011),pp1-9.

136. N. Jubeh and Y.S.H. Najjar, ”Power Augmentation with CAES by Air Injection or Supercharging Makes Environment Greener”, Energy ,The International Journal,vol.38, (2012),pp228-235.

137 . S.A.M.S. Akeel and Y.S.H. Najjar ,”Comparison of Mass Flux in an Axial Gas Turbine Stage with Free and Forced-Vortex Flows” ,International Journal of Thermal Sciences.

138. Y.S.H. Najjar and G.M. Tashtoosh , "Feasibility of Engine-Driven Systems for Space Cooling" International Journal of Energy Conversion and management.

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139. Y.S.H. Najjar ,”Protection of the Environment by Using Innovative Greening Technologies in Land Transport”, International Journal of Energy Policy.

140. H.N.H. Dalgamouni and Y.S. H. Najjar, "Greening Future Automotive Transport by Using Regenerative Variable–Geometry Gas Turbine", Energy ,The International Journal.

141. K.J.M. Al-Khishali, Y.S.H. Najjar and O.H.Ghazal, ”Effect of Inlet-Valve Variable Timing in the Internal Combustion Engine, on Obtaining Greener Transportation”, International Journal of Applied Energy.

142. O.H. Ghazal ,Y.S.H. Najjar and K.J.M. AlKhishali , “Effect of Exhaust-Valve Variable Timing in the Internal Combustion Engine on Getting Greener Vehicles”, Energy, The International Journal.

143. Y.S.H. Najjar ,K.J.M. Al-Khishali, and O.H. Ghazal, ”Effect of Variable Valve Geometry on the Performance of Spark Ignition Engines in Green Cars”, Journal of Energy Conversion and Management.

.144. Y.S.H. Najjar and M. Bani Amer, “Fuel Saving as a Greening Measure by Using a Smart Device and Neuro-Fuzzy Control with Spark Ignition Engines in Vehicles”, International Journal of Automobile Engineering.

145. N. Jubeh and Y.S.H. Najjar, ”Green Solution for Power Generation by Adoption of Adiabatic CAES System”, International Journal of Energy Conversion and Management. 146. Y.S.H. Najjar and M. Bani Amer, ”Emission Control of Spark Ignition Engines as Part of Green Car Technology Using Smart Device and Intelligent Control System”, Journal of Energy for Sustainable Development. 147. M.Bani Amer and Y.S.H. Najjar,” The Road towards Green Cars by Using Neuro-Fuzzy Modeling with Spark Ignition Engines Using Variable Valve Overlap”, International Journal of Automotive Technology and Management. 148. Y.S.H. Najjar and M. Bani Amer, “Neuro-Fuzzy Based Modeling of Compression Ignition Engines for Easier Prediction of Green Car Engine Performance”, Journal of Applied Energy. 149.Y.S.H. Najjar, “Indirect Evaporative Inlet Air Cooling with Gas Turbines as a Greening Technology”, Journal of Applied Thermal Engineering. 150. Y.S.H. Najjar and D. Waite, ”Energy Conservation and Waste Utilization in the Cement Industry Serve Green Technology and Environment”, International Journal of Green Energy.

151. Y.S.H. Najjar and A. Malkawi,” Performance and Optimization of a Solid-Oxide Fuel-Cell Gas-

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Turbine Hybrid power System for Green Technology and Environment’, Journal of Power Sources.

152.Y.S.H. Najjar and M.M. Rasras,” Design of a Juice Concentration Machine”, Desalination.

153.Y.S.H. Najjar ,”Hydrogen Safety-A Review”, International Journal of Thermal and Environmental Engineering (IJTEE).

154.Y.S.H. Najjar, ”Hydrogen Production, Transmission and Storage: Evaluation of Technologies”, IJTEE.

155.Y.S.H. Najjar, ”Hydrogen Usage in ICE and Fuel Cells ”,International Journal of Hydrogen Energy (IJHE).

156. Y.S.H. Najjar, “Hydrogen Sensing and Detection”, IJHE.157. Y.S.H. Najjar and S. Al-Absy , ”Different Methods of Gas Turbine Control”, Journal of Applied Thermal Engineering158.Y.S.H. Najjar, ”Exergy Analysis of Different Gas Turbine Arrangements”, International Journal of Energy Conversion and management.159. Y.S. H. Najjar and S. Al-Absy,” Thermoeconomic Optimization for Multi-Shaft Gas Turbine Engines”, Journal of Energy for Sustainable Development.160. Y.S.H. Najjar and Y.Al-Zoghool, ”Practical Performance Correlations with Gas Turbine Inlet air cooling”, Journal of Applied Energy.161. YS.H.Najjar and Y. Al-Zoghool, ”Performance Analysis of Gas Turbine Engines using Different methods for Inlet_Air Cooling”, International Journal of Green Energy.

162. Y.S.H. Najjar ,H. Abu eisheh and I. Balawneh,”Exergy Analysis and Performance Carpets for Turbojet Engines”, Journal of Aircraft Engineering and Aerspace Technology

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