A DoD Information Analysis CenterSponsored by JANNAF and DTIC

Vol. 33, No. 2 March 2007 News and Information for the Greater Propulsion Community

continued on page 9

38th S&MBS/25th RNTS/16th NDES to Convene in Newport, Rhode Island, March 20-22

Inside This Issue

54th JPM/5th MSS/3rd LPS/2nd SPS Coming to Denver in May...................6

JPM Prelim. Block Diagram........Insert

In Memoriam, Jim Wheeler..............8

PEDCS/S&EPS to Meet in August.........9

People in Propulsion• CPIAC’s Karen Brown Retires ...10• Aerojet’s Mark Director Retires...10• NRPTA Technical Steering Group Meets at NAWC China Lake.......11• BYU’s Merrill Beckstead Receives S&T Award from UTAH’s Governor....11

Technical/Bibliographic Inquiries.....2Bulletin Board/Mtg.Reminders........3JANNAF Meeting Calendar........back

Growth and Characterization of Explosive Single Crystals at Los Alamos National Laboratory

continued on page 4

Los Alamos National Laboratory (LANL) has restored its capability to grow large crystals of explosive materials, a capability that has been absent here for many years. The LANL Crystal Lab is unique in its capabilities to prepare very large crystals of explosives and to prepare samples from them. In preparation of the large crystals, we also generate

a variety of sizes, from powder on up, in varying qualities. We supply these crystals and samples to several Department of Energy (DOE), Department of Defense (DoD), and University laboratories in collaborative efforts to measure fundamental properties of these materials.

Many properties of crystalline explosives are required as inputs for detailed constitutive modeling of plastic-bonded explosives (PBX). Experiments designed to investigate crystal behavior also promise to help us understand the mechanisms of explosive initiation and detonation in shock-wave environments. These properties can aid in our understanding of current explosives, allow better predictions of performance and safety criteria, and assist in the design of future explosives. Surprisingly, many of these important properties have never been measured; and in cases where they have, there are sometimes large discrepancies in the results. These issues stem from a variety of reasons: it is diffi cult to prepare large single crystals; the materials are fragile and therefore diffi cult to handle; experimental techniques sometimes have not been developed to make measurements on this type of material; and crystal quality, which affects these properties, is only beginning to be understood.

by Dr. Daniel E. Hooks Los Alamos National Laboratory

Los Alamos, New Mexico

The 38th Structures & Mechanical Behavior, 25th Rocket Nozzle Technology, and 16th Nondestructive Evaluation Joint Subcommittee Meeting will be held at the Hyatt Regency Newport Hotel and Spa in Newport, Rhode Island,

March 20-22, 2007. The current agenda includes more than 77 technical papers in 12 regular sessions, as well as respective subcommittee panel meetings. Three full days of technical presentations are being planned for participants. Several joint sessions have been planned with the three subcommittees to facilitate interchange in areas of common interests for the designers and experimentalists. Mr. Stuart Bridges, Air Force Research Laboratory, Edwards Air Force Base, California, is the Program Chair. IHPRPT Phase III Nozzle activities and Integrated Vehicle Health Monitoring Programs will be held in various sessions.

The reception will take place on Wednesday evening, March 21, from 6:30-8:00 p.m. in the Brenton Hall, Hyatt Regency Newport Hotel and Spa.

Page 2 CPIAC Bulletin/Vol. 33, No. 2, March 2007

The Chemical Propulsion Information Analysis Center (CPIAC), a DoD Information Analysis Center, is sponsored and administratively managed by the Defense Technical Information Center (DTIC). CPIAC is responsible for the acquisition, compilation, analysis, and dissemination of information and data relevant to chemical, electric, and nuclear propulsion technology. In addition, CPIAC provides technical and administrative support to the Joint Army-Navy-NASA-Air Force (JANNAF) Interagency Propulsion Committee. The purpose of JANNAF is to solve propulsion problems, affect coordination of technical programs, and promote an exchange of technical information in the areas of missile, space, and gun propulsion technology. A fee commensurate with CPIAC products and services is charged to subscribers, who must meet security and need-to-know requirements.

The Bulletin is published bimonthly and is available free of charge to the propulsion community. Reproduction of Bulletin articles is permissible, with attribution. Neither the U.S. Government, CPIAC, nor any person acting on their behalf, assumes any liability resulting from the use or publication of the information contained in this document, or warrants that such use or publication of the information contained in this document will be free from privately owned rights. The content of the Bulletin is approved for public release, and distribution is unlimited.

Paid commercial advertisements published in the Bulletin do not represent any endorsement by CPIAC.

Editor: Rosemary Dodds410-992-1905, ext. 219; Fax 410-730-4969

E-mail: rdodds@jhu.edu

The Johns Hopkins University/CPIAC10630 Little Patuxent Parkway, Suite 202

Columbia, Maryland 21044-3286CPIAC Director: Dr. Edmund K. S. Liu

CPIAC is a JANNAF- and DTIC-sponsored DOD Information Analysis Center operated

by The Johns Hopkins University Whiting School of Engineering

under contract W91QUZ-05-D-0003

World Wide Web: www.cpiac.jhu.eduCopyright © 2007

by The Johns Hopkins University

CPIAC’s Technical/Bibliographic

Inquiry Service

CPIAC offers a variety of services to its subscribers, including responses to technical/bibliographic inquiries. Answers are usually provided within three working days and take the form of telephoned, telefaxed, electronic or written technical summaries. Customers are provided with copies of JANNAF papers, excerpts from technical reports, bibliographies of pertinent literature, names of recognized experts, propellant/ingredient data sheets, computer program tapes and instructions, and/or theoretical performance calculations. The CPIAC staff responds to nearly 800 inquiries per year from over 180 customer organizations. CPIAC invites inquiries via telephone, fax, e-mail, or letter. For further information, please contact Ron Fry at 410-992-9951, ext. 206, or by e-mail to: rs_fry@jhu.edu. Representative recent inquiries include:

BIBLIOGRAPHIC INQUIRIES

TECHNICAL INQUIRIES

Recent CPIAC Products and Publications

DDESB CD-05, 32nd Department of Defense Explosives Safety Seminar Proceedings, Aug. 2006.

JSC CD-46, JANNAF 41st Combustion Subcommittee,29th Airbreathing Propulsion Subcommittee and 23rd Propulsion Systems Hazards Subcommittee Joint Meeting, Dec. 2006. Available soon.

• Experimental data showing the correlation of iron oxide content with burning rate in PBAN propellant (Req. 25205)

• Commercial sources of barium azide (Req. 25225)• Maturity of HTPB propellants employing dual isocyanates (Req. 25256)

• Low pressure, low burning rate reduced smoke propellant development; 37 citations (Req. 25297)

• Materials investigated as possible burning rate deterrents for gun propellants; 121 citations (Req. 25267)

• Vacuum aging or space aging of composite solid propellants; 19 citations (Req. 25257)

The JANNAF Journal of Propulsion and Energetics is accepting manuscripts for the 2007 inaugural issue.

Be one of the fi rst to have your technical paper published in this limited-distribution professional journal.

Go to http://www.jannaf.org/pdfs/Author_Guide.pdf for instructions on how to prepare and submit your manuscript.

Page 3 CPIAC Bulletin/Vol. 33, No. 2, March 2007

Meeting Reminders

54th JANNAF Propulsion Meeting/5th Modeling

& Simulation/3rd Liquid Propulsion and 2nd

Spacecraft Propulsion Joint Subcommittee Meeting

14-17 May 2007Denver, Colorado

See page 6 for additional details.

34th Propellant and Explosives Development and Characterization and 23rd Safety & Environment

Protection Joint Subcommittee

Meeting13-17 August 2007

Reno, NevadaSee page 9 for additional

details.

Visit www.jannaf.orgfor meeting updates and other valuableJANNAF resources.

The Bulletin Board Various meetings and events of interest are listed below. We welcome all such

announcements so that the propulsion community can be better served with timely information. For information on additional industry meetings, visit CPIAC’s calendar of Meetings & Symposia, available at http://www.cpia.jhu.edu/templates/cpiacTemplate/meetings/. The JANNAF Meeting Calendar appears on the back page.

Insensitive Energetic Materials - particles, crystals, solids6-7 March 2007Karlsruhe, GermanyPOC: www.ict.fhg.de

23rd International Symposium on Ballistics16-20 April 2007Tarragona, SpainPOC: http://www.mater.upm.es/ISB2007/

NDIA Guns and Missile Systems Conference and Exhibition23-26 April 2007Charlotte, NCPOC: www.ndia.org

10th International Seminar, New Trends in Research of Energetic Materials (NTREM 2007) Performance & Decomposition Application to Energetic Materials25-27 April 2007Pardubice, Czech RepublicPOC: http://www.ntrem.com/

Small Arms Symposium7-10 May 2007Virginia Beach, VAPOC: www.ndia.org

2nd International Association for the Advancement of Space Safety Conference14-16 May 2007Chicago, ILPOC: www.iaass.org

38th Annual Conference of ICT26-29 June 2007Karlsruhe, GermanyPOC: www.ict.fhg.de

43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference8-11 July 2007Cincinnati, OHPOC: www.aiaa.org

Page 4 CPIAC Bulletin/Vol. 33, No. 2, March 2007

LANL grows and characterizes explosive single crystals....continued from page 1

continued on page 5

To meet the need for explosive crystals, we have set up a laboratory to grow, characterize, and prepare samples from crystals, performing all of the more hazardous operations remotely. We are capable of routinely growing large crystals, cutting and polishing them, and characterizing their orientation and perfection by several methods. In addition to the processing and handling precautions implemented for safety reasons, the diffi culty of performing all of these operations is exacerbated by the fact that the crystals, as already mentioned, are extremely fragile. Despite the diffi culties, we have more than 4 kg of crystals, of various grades and sizes, ready for study.

Although we work with several other materials, the primary materials of interest include pentaerythritol tetranitrate (PETN), used in detonators; cyclotrimethylenetrinitramine (RDX), used in many PBX and cast-cure explosive formulations; and cyclotetramethylenetetranitramine (HMX), used primarily in high-performance PBX formulations. Figure 1 is a photograph of a few of our larger crystals. Figure 2 shows a polarized light micrograph of a PBX composition based on HMX. It is readily observed that the crystals in the PBX are of similar morphology to our larger crystals, but display several features introduced during processing, such as cracking and twinning.

While crystals of PETN and RDX are relatively easy to grow, HMX crystals are more diffi cult to grow in large sizes and of good quality. Required sample sizes vary, but a sample intended for a gas-gun shock-wave experiment must measure approximately 1 cm square by a few millimeters thick; crystals weighing at least 10 g are typically required to yield a sample of this size. A few years ago, our focus was on HMX crystal growth because few of the available crystals offered the size and/or morphology that we needed. Figure 3 is a comparison of several HMX crystals grown using several different techniques. Now we are dedicating most of our time to varying crystal quality by changing crystallization technique, developing techniques to characterize defects and their distribution, and measuring properties of defective crystals to compare with those of “perfect” crystals. We know that crystal quality is extremely important because several commercial production powders of RDX prepared by various fi rms show a sensitivity that is decreased by a factor of about two.

While the crystal preparation takes experimentation, the primary purpose of crystal growth is to measure basic properties and to begin to understand how these properties change with processing conditions. Although there are many examples, one property that shows this importance profoundly is the elastic properties. For example, RDX, with

Figure 1. Large HMX, RDX, and PETN crystals grown in the LANL Crystal Lab. Grid spacing is 1cm.

Figure 2. Polarized light micrograph of a PBX composition based on HMX.

orthorhombic symmetry, has 9 independent components in its elastic tensor. Different techniques have given non-systematic, but reproducible and highly self-consistent determinations of these constants, leading to a bulk modulus that varies by a factor of 2! It is not known whether these variations have to do with the details of the measurement technique or variations in sample quality. Understanding crystal quality quantitatively will be very important in unraveling this issue.

Another of our primary thrusts is aimed at understanding the connection between plastic deformation mechanisms and shock initiation. Over several years, it was observed that the shock sensitivity of PETN was extremely dependent on crystal orientation. This shock initiation behavior of PETN was thought to be due to “steric hindrance to shear” when impacted in the more sensitive directions. In short, when a single crystal is impacted, it must relieve stress. It does so by the coordinated slipping of molecules past each other

Page 5 CPIAC Bulletin/Vol. 33, No. 2, March 2007

LANL grows and characterizes explosive single crystals....continued from page 4

in preferred directions. When a crystal is impacted in an insensitive direction, molecules are able to slide past each other with comparatively little resistance. Conversely, when a crystal is impacted in a sensitive direction, molecular sliding results in an entanglement that initiates reaction and detonation. In addition to impact sensitivity, the dynamic elastic limit was correlated to the number of available slip systems and the shock initiation sensitivity.

Unfortunately, similar studies measuring the orientation-dependent elastic limit and shock initiation sensitivity on HMX and RDX have yielded somewhat contradictory results. Because of this, we are now focusing efforts on measurements to truly understand the plasticity behavior using nano-indentation and soft recovery techniques. In an effort to compare the plasticity mechanisms to others, we are also preparing experiments to compare the importance of “hot spots” caused by inclusions and grain-grain interactions to those of internal plasticity.

Figure 3. Four single crystals of HMX photographed on a 1-cm grid. The crystal on the right was grown from DMSO starting at 85°C, and the other three were grown from acetone by slow evaporation at 30°C. Note that the clarity of the acetone-grown crystals is much better and their birefringence (splitting of light into two components) causes an apparent doubling of the grid. The DMSO-grown crystal exhibits veiling defects, which cause opacity. Some of the parasite crystals nucleated at lower temperatures on the sides of this crystal are clear and free of defects. Acetone-grown crystals usually have a “fl atter” morphology. The bottom acetone-grown crystal has some cracks that were introduced by the temperature gradient caused by evaporation when the crystal was removed from the growth solution, illustrating the fragility of these crystals.

Our ability to prepare samples from these crystals has attracted collaborators. We are supplying samples to researchers for a number of experiments; for example, researchers at Washington State University are performing gas-gun shock experiments on RDX crystals and developing methods to understand plasticity using the simulant sucrose. We are collaborating with Sandia National Laboratories and Lawrence Livermore National Laboratory researchers on isentropic compression experiments on HMX and RDX crystals using the Sandia Z-machine. In addition, we have sent crystals to the University of Illinois, the University of Nebraska, the University of Nevada Las Vegas, and the Naval Surface Warfare Center at Indian Head for a variety of measurements.

The experiments being performed on explosive crystals grown in our laboratory will be both useful as inputs for modeling efforts and helpful in unraveling the mysteries of reaction initiation and detonation.

Acknowledgments: This work is supported by the National Nuclear Security Administration Science Campaign 2, The Offi ce of Naval Research, and the Joint DOE/DoD Munitions Technology Development Program.

About the Author

Dan Hooks is a Technical Staff Member in the Dynamic and Energetic Materials Division at Los Alamos National Laboratory, Los Alamos, New Mexico. He is the Project Leader for High Explosives Science in the National Nuclear Security Administration Science Campaign for Dynamic Materials Properties. His research specialties are molecular materials, crystal growth, materials characterization, and shock and detonation experiments. Dan can be reached by e-mail to: dhooks@lanl.gov.

Publish a Technical Article in the CPIAC Bulletin

Do you have a propulsion-related article that you would like us to consider for publication in the Bulletin? CPIAC welcomes suggestions that may be of interest to our readers in the propulsion community. Guidelines for submitting a technical article are available on the CPIAC Web site: http://www.cpia.jhu.edu/media/TechArticle_Guidelines.pdf.

Contact Rosemary Dodds, Bulletin Editor, at 410-992-1905, ext. 219, or by e-mail to rdodds@cpiac.jhu.edu for more information.

Page 6 CPIAC Bulletin/Vol. 33, No. 2, March 2007

54th JPM/5th MSS/3rd LPS/2nd SPS Coming to Denver in May

Be sure to mark your calendars for the upcoming 54th Joint Army-Navy-NASA-Air Force (JANNAF) Propulsion Meeting (JPM)/5th Modeling and Simulation Subcommittee (MSS)/3rd Liquid Propulsion

Subcommittee (LPS)/2nd Spacecraft Propulsion Subcommittee (SPS) Joint Meeting! The meeting will be held Monday through Thursday, May 14-17, 2007, at the Denver Marriott City Center, located in Denver, Colorado; and it is expected to be the most heavily attended JANNAF meeting in recent memory. NASA is the host agency for this joint meeting; Mr. James L. Cannon of the NASA Marshall Space Flight Center in Huntsville, Alabama, is the Meeting Chair. The preliminary technical program contains over 350 technical papers to be presented over the course of the week in nearly 70 technical sessions, two specialist sessions and three In Space Technology Assessment Group meetings.

Meeting Keynote AddressJohn Karas, Vice President and General Manager of Human Space Flight

for Lockheed Martin Space Systems Company, will be presenting the meeting’s Keynote speech on Tuesday, May 15. In his current position, Mr. Karas is responsible for coordinating the corporation’s capabilities and assets for human space exploration. Previously, he served as Vice President, Business Development, and was responsible for strategic planning, advanced technology concepts, and new business acquisition efforts for strategic and defensive missiles, and commercial, civil, and classifi ed space lines of business. Karas reports directly to Joanne Maguire, Executive Vice President, Lockheed Martin Space Systems Company.

Previously, Karas served as Vice President, Atlas and Advanced Space Transportation, for Lockheed Martin Space Systems; his responsibilities included launch systems development and recurring operations for the Atlas program and advanced space transportation opportunities, such

as Orbital Space Plane and other manned, unmanned, reusable and expendable systems. From March 1997 to December 2002, he served as Vice President and Deputy of the EELV/Atlas V organization and was responsible for developing new launch vehicles, such as the Atlas IIIA, IIIB and Atlas V family, and their launch facilities.

Karas began his career with General Dynamics Space Systems Division in 1978 and joined Lockheed Martin in May 1994 when Lockheed Martin acquired the Space Systems Division. Karas received his bachelor’s degree in electrical engineering from the Georgia Institute of Technology in 1978. While working toward his degree, Karas was a co-op student at NASA’s Kennedy Space Center. Karas has taken advanced coursework toward a master’s degree in engineering and an MBA. His technical expertise includes system defi nition, propulsion and avionic technology development and insertion, and hardware/software integration. Karas also has developed redundancy management concepts for several fl ight-critical systems and their associated system demonstration and validation techniques. Karas has served on several national and international committees on these subjects.

JPM ProgramThe Joint Propulsion Meeting has a robust program of twenty-two technical sessions this year, due in part to the inclusion

of several new mission areas: Test Facilities, Hybrid and Reusable Launch Vehicles, Rocket Based Combined Cycles and Sensors for Propulsion Applications. Exploration activities are a central theme in this year’s JPM, and they are balanced by a signifi cant presence by the tactical, gun propulsion and strategic systems communities.

MSS ProgramThe Modeling and Simulation Subcommittee boasts a strong showing this year, with ten technical sessions and two

specialist sessions, the second Modeling and Simulation tools specialist session and the Integrated Propulsion Analysis

The Denver Marriott City Center,Denver, Colorado

Mr. John Karas

continued on page 7

Page 7 CPIAC Bulletin/Vol. 33, No. 2, March 2007

Tool (IPAT) specialist session. The following panel meetings will also be held throughout the week for the Modeling and Simulation Subcommittee: Simulation Credibility Panel, Virtual Engineering Panel, and the Integrated Health Management Panel. The MSS is also proud to announce that Mr. Robert Geisler, of Geisler Enterprises, has been invited to give a plenary talk on the evolution of modeling and simulation in the rocket propulsion industry.

The MSS is also jointly hosting the 3rd JANNAF Workshop on Sensors for Health Monitoring, tentatively scheduled for Friday, May 18; watch for the invitation under separate header.

LPS ProgramThe Liquid Propulsion Subcommittee continues to show sustainability and momentum, and will host twenty technical

sessions and seven joint sessions with other subcommittees. Meetings will be held throughout the week for the following LPS panels: Test Practices and Standards Panel, Liquid Propellant Standards Panel, Hydrocarbon Fuels Panel, Advanced Materials Panel, Tactical Propulsion Panel, and Engine Health Monitoring Panel. The LPS community is also eagerly anticipating the presentation of the 3rd Outstanding Achievement in Liquid Propulsion Award, which will be made during the awards ceremony immediately following the Keynote address.

The LPS will also be hosting a Combustion Stability Workshop, tentatively scheduled for Friday, May 18; watch for the invitation under separate header.

SPS ProgramThe Spacecraft Propulsion Subcommittee is following its inaugural meeting in December 2005 with another full program

of over 100 papers and presentations in eighteen technical sessions. The SPS will also conduct meetings of all of its technical panels: Electric Propulsion, Microthrust Propulsion, and Chemical Propulsion. The NASA In Space Technology programs will return to JANNAF with the assembly of three Technology Assessment Group (TAG) meetings: Aerocapture, Advanced Chemical Propulsion and Electric Propulsion.

Student researchers in the spacecraft propulsion fi eld are making their presence known in JANNAF, and the SPS Awards Committee expects competition to be fi erce for the selection of the fi rst JANNAF SPS Best Student Paper Award in May 2007.

Block Diagram and Administrative InformationThe tentative block diagram for the meeting is

given in Tables 1 and 2 (See Insert), but please remember, date and time assignments are subject to change between the preliminary and fi nal programs. Authors and attendees should contact CPIAC for updates as necessary.

For more information on the Technical Subcommittees, the Subcommittee Panels, the TAGs or the Workshops, please contact Pete Zeender at pzeender@cpia.jhu.edu. The preliminary program and registration materials for the meeting should be available shortly from CPIAC; please contact Patricia Szybist at pats@jhu.edu or 410-992-7305, ext. 212, if you do not receive a copy.

Attendance at this JANNAF meeting is restricted to U.S. citizens whose organizations are registered with an appropriately classifi ed contract with the Defense Technical Information Center and certifi ed for receipt of export-controlled technical data with the Defense Logistics Information Service.

54th JPM/5th MSS/3rd LPS/2nd SPS....continued from page 6

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Table 1. 2007 JPM Preliminary Block Diagram, Part I

Marriott Denver City Center

Colorado Ballroom A Colorado Ballroom B Colorado Ballroom C Colorado Ballroom D Colorado Ballroom E Colorado Ballroom F Colorado Ballroom G

Monday PM May 14, 2007

JPMInsensitive Munitions Technologies & Energetic Ingredients

JPMTest Facilities 1

JPM/LPSHybrid Launch Vehicles & Reusable Boosters I

SPSReaction Control Systems

JPMSolids for Exploration Systems

SPSSpacecraft Propulsion Technology and Capabilities

Tuesday AM May 15, 2007

JPMTactical Solid Rocket Motor Technology

JPMTest Facilities II

JPM/LPSHybrid Launch Vehicles & Reusable Boosters II

SPS/LPSThruster Development

LPSCommon Extensible Cryogenic Engine

Tuesday PM

JPMMDA & Strategic Nozzles and Materials I

JPM/LPSComposite Overwrap Pressure Vessels (COPV)

JPM/LPSHybrid Launch Vehicles & Reusable Boosters III

SPS/LPSIgnition

JPMImprovised Explosive Devices (IED)

LPS Advanced Engine Design and Testing

Wednesday AM May 16, 2007

JPMAdvanced Tactical Propulsion Concepts

JPMSensors for Propulsion Measurement Applications I

JPM/ LPS FAST Program

SPSMonopropellant Thruster Materials

JPMExploration

MSS Simulation Credibility

Wednesday PM

JPMIHPRPT Solid Boost Program

JPMSensors for Propulsion Measurement Applications II

JPMProcess Design and Development

SPSChemical Cryogenic Components and Systems

LPSTurbo Machinery Design, Modeling, and Experimental Results I

Thursday AM May 17, 2007

JPMRocket Based Combined Cycle Systems I

LPSPropellant Mass Gaging

JPMVehicle and Component Technology

SPSFuture Technologies I

LPSAdvanced Engine Development

SPMissions Invited Session

LPSTurbo Machinery Design, Modeling, and Experimental Results II

Thursday PM

JPMRocket Based Combined Cycle Systems II

LPSCombustion Instabilities

SPS Future Technologies II

LPSIntegrated Powerhead Demonstrator (IPD)

LPS Main Propulsion System Components and Analysis

Table 2. 2007 JPM Preliminary Block Diagram, Part II

Marriott Denver City Center

Colorado Ballroom H Colorado Ballroom I Colorado Ballroom J Denver Ballroom V Denver Ballroom V I Mattie Silks Molly Brown

Monday PM May 14, 2007

SPS Aerocapture

MSSVirtual Engineering I

SPS Plume-Spacecraft Interaction I

Tuesday AM May 15, 2007

SPSSystem/Mission Overviews

LPSUpper Stage Engine Technology (USET) I

MSSModeling and Simulation of Systems I

LPSChamber Wall Heat Transfer

SPSPlume-Spacecraft Interaction II

TAGAerocapture

TIM/Working Group Tethers

Tuesday PM

SPSHall Thrusters I

LPSUpper Stage Engine Technology (USET) II

MSSVirtual Engineering II

LPSCooling Channels

JPMGun and Gun Launched I

TAGAerocapture

TIM/Working Group Tethers

Wednesday AM May 16, 2007

SPSHall Thrusters II: High Thrust to Power

SPSSolar Sails

MSSVirtual Engineering III

LPSInjectors

SPSTethers

MSS Tools

Wednesday PM

SPSAdvanced Concepts

LPSGelled Propellant Properties and Transportation

MSSVirtual Engineering IV

LPSLiquid Rocket Engine Chamber Development

JPMGun and Gun Launched II

MSS Tools AFRL/VS M&S Working Group

Thursday AM May 17, 2007

MSSIntegrated Health Management I

LPSGel Systems and Components

MSSModeling and Simulation of Systems II

LPS/SPS/JPM NonMetallics

IPAT Workshop TAG Advanced Chemical

TAGElectric Propulsion

Thursday PM

MSSIntegrated Health Management I

LPSGelled Propellant Development

MSSModeling and Simulation of Systems III

LPS/SPS/JPM Metallics

IPAT Workshop TAG Advanced Chemical

TAGElectric Propulsion

Page 8 CPIAC Bulletin/Vol. 33, No. 2, March 2007

James (Jim) Q. Wheeler

James Q. “Jim” Wheeler, director of the U.S. Army Defense Ammunition Center (DAC) since 1998, passed away February 5 at his home in Broken Arrow, Oklahoma. As director, Wheeler was responsible for executing DAC’s mission to support the joint ammunition community at home and abroad through engineering logistics, training, safety, demil technology and technical assistance. He also managed the execution of the Quality Assurance Specialist/Ammunition Surveillance (QASAS) and Ammunition Management (AM) programs that provide over 1,000 civilian careerists to the fi eld worldwide. Many demil technology projects funded by DAC have been routinely reported and published in the proceedings of the JANNAF Safety and Environmental Protection Subcommittee (S&EPS).

Wheeler was a 1972 graduate of Southwest Missouri State University and earned his Master of Science degree in December 2005 from East Central University in Ada, Oklahoma. He entered federal service in 1979 at the Savanna Army Depot Activity (SVADA), where he later became general foreman responsible for depot ammunition life cycle operations.

From 1985 through 1998, Wheeler held leadership positions with the Armament Munitions and Chemical Command’s (AMCCOM) Defense Ammunition Directorate, U.S. Army

Demil Community Leader Wheeler Dies

Materiel Command’s (AMC) Deputy Chief of Staff for Conventional Ammunition, DAC Logistics Review and Assistance Offi ce (LRATO), Executive Director of the Joint Ordnance Commander’s Group/Chief AMCCOM’s Joint

Activities Offi ce and Associate Director for Technology at DAC. In 1995, he led the Base Realignment and Closure (BRAC) transfer of DAC operations from Savanna, Illinois, to its present location in McAlester, Oklahoma. From 2002 to 2003, Wheeler served a special assignment as Deputy for Operations at the U.S. Army Joint Munitions Command (JMC), leading efforts to support Operation Enduring Freedom (OEF) and Operation Iraqi Freedom (OIF).

During his career, Wheeler received the Department of the Army Meritorious Civilian Service Award, the Joint Logistics Comman-ders Certifi cate of Merit, and the NDIA Citation for Exceptional Service in support

of national defense. He was also recognized as Ammunition Manager of the Year in 1995. Wheeler was an active member of the Association of the United States Army (AUSA) and National Defense Industrial Association (NDIA).

A memorial fund has been established in his name, and donations can be sent to the Wheeler Memorial Fund, 701 S. Aster Ave., Broken Arrow, OK 74102.

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Page 9 CPIAC Bulletin/Vol. 33, No. 2, March 2007

JANNAF Meeting in Newport....continued from page 1

The meeting invitation, preliminary program, and registration forms were e-mailed to the combined NDES, RNTS, and S&MBS contact lists on January 31, 2007. If you are interested in attending the meeting and have not received the necessary information, please contact either Patricia Szybist at 410-992-7300, ext. 212 (or by e-mail to pats@cpiac.jhu.edu) or Debbie Eggleston at 410-992-7300, ext. 202, (or by e-mail to dse@jhu.edu). Registration fees received by March 5, 2007 at CPIAC are eligible for a discount.

PEDCS and S&EPS Joint Meeting

August 13-17, 2007

JANNAF will conduct its 34th Propellant and Explosives Development and Characterization Subcommittee (PEDCS) and 23rd Safety & Environmental Protection Subcommittee (S&EPS) Joint Meeting the week of August 13-17, 2007 at Circus Circus in Reno, Nevada. The Meeting Announcement and Call for Papers (CFP) for this meeting were distributed to the PEDCS and S&EPS communities in February.

This call allows for the submission of abstracts for classifi ed presentations. Improvised Explosive Devices (IEDs) have been a topic of great interest lately. CPIAC will be inviting speakers as part of a special session on IEDs. We encourage your participation at the session by presenting your work and joining the discussions which could lead to an early solution for the war fi ghters. This session will contain classifi ed presentations.

Classifi ed sessions will be conducted in the auditorium of the Air National Guard located at the Reno Airport, should responses to the CFP warrant a classifi ed meeting. The deadline date for submission of abstracts is April 2, 2007.

For additional information on this meeting announcement, please e-mail Pat Szybist, CPIAC, at pats@cpiac.jhu.edu or telephone (410) 992-7300, ext. 212.

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SPURC 2.0 Now Available

SPURC Users: CPIAC has received an updated version of the Standard Plume Ultraviolet Radiation (SPURC): Low Altitude (LA) computer code, SPURC 2.0.

SPURC subscribers current with their CPIAC/JANNAF codes registration will automatically receive copies of the new version at no charge. Other qualifi ed U.S. Government Agencies and their U.S. contractors interested in obtaining SPURC can contact CPIAC at (410) 992-7300 or mtg@cpiac.jhu.edu for subscription and application information.

Page 10 CPIAC Bulletin/Vol. 33, No. 2, March 2007

People in Propulsion

Aerojet’s Mark Director Announces Retirement

Dr. Mark N. Director....Now

Dr. Mark N. Director....Then

Karen Brown Retires from CPIAC

After more than 32 years of service to CPIAC and CPIA, its predecessor organization, Karen Brown has announced her retirement effective March 1, 2007. Karen began

her career at CPIA in December 1974, with the Johns Hopkins University, Applied Physics Laboratory, then located in Silver Spring, Maryland. Prior to her employment with CPIA, she was an English major at Waynesburg College in Waynesburg, Pennsylvania, and a secretary and offi ce manager in the fi nancial aid offi ce at Indiana University of Pennsylvania.

Upon joining CPIA, Karen’s organizational and administrative abilities were quickly realized by her superiors, and she was soon the fi rst administrative staff member to acquire many functions that had historically been the responsibility of CPIA’s technical staff members. The two primary functions that Karen assumed were the administration and organization of the Joint Army-Navy-NASA-Air Force (JANNAF) conferences, and the administration of the CPIA service charge system that provides technical subscription services to qualifi ed government and industry organizations.

In 1982, Karen began coursework in a business management associates degree program and was soon promoted to CPIA’s Associate Professional Staff. Upon her promotion, she became Section Supervisor of the Business and Marketing Section. In this capacity, Karen was an exceptional mentor to numerous administrative staff. She transitioned her employees into positions of increased responsibility, such as meeting planners, subscription managers, security offi cers, and budget analysts, and provided

Karen Brown and CPIAC Director Ed Liu

outstanding oversight for their professional development within the organization.

Karen played an integral role in establishing CPIAC as a leading DoD Information Analysis Center. Her leadership will be sorely missed, but the many friendships she established within the CPIAC, JANNAF, and JHU communities will always remain.

Dr. Mark Director has announced his March 2007 retirement from Aerojet after almost 40 years in the industry. Mark has been employed by Aerojet and its predecessor, Atlantic Research Corporation in Gainesville, Virginia, since 1976. He is presently a Director of Business Development with responsibility for new technology business initiatives spanning all Aerojet product lines, including solid propulsion for tactical and strategic applications, liquid propulsion for launch vehicles and in-space applications, airbreathing propulsion, electric propulsion and fi re suppression.

Prior to his current position, Mark conducted research and development activities related to solid rockets, ramjets, ducted rockets, and fi re suppression; served as the Program Manager and Program Director for multiple programs; and as Director of Technology, where much of ARC’s solid rocket, ramjet and fi re suppression development was conducted. He has been a regular contributor to the JANNAF Propulsion Meetings, and has authored numerous other technical papers and reports. He holds B.S. and M.S. degrees in Aeronautical Engineering (from Purdue and Ohio State, respectively), and a Ph.D. in Mechanical Engineering

from the University of Connecticut. Prior to his employment at ARC, Mark worked at the United Technologies Research Center and Physical Sciences Inc. In retirement, he and his wife of 40 years, Resa, plan to travel and pursue their passion for scuba diving in the warm, crystal clear waters of Bonaire.

Mark expresses his thanks to all of the people with whom he has worked over the years, be they his customers, associates or competitors, for helping make his career both a success and a joy. However, he also wanted everyone to know that 40 years of working with rocket propellants and with the folks in this community had two effects: his hair turned gray and much of it fell out, as shown in the accompanying pictures.

Page 11 CPIAC Bulletin/Vol. 33, No. 2, March 2007

People in Propulsion

NRPTA Senior Steering Group and Members Meet at NAWC China Lake

BYU’s Merrill Beckstead receives 2006 Governor’s Science and Technology Medal

Merrill Beckstead, Brigham Young University professor emeritus of chemical engineering, was one of seven Utahns to recently receive a 2006 Governor’s Science and Technology Medal from Utah Gov. Jon M. Huntsman Jr.

The awards were presented in recognition of distinguished service to the state of Utah in the fi elds of science and technology. Dr. Greg Jones, State Science Advisor, and the State Advisory Council on Science and Technology selected the recipients.

Beckstead received the award in honor of his lifetime contributions to the scientifi c community. He taught chemical engineering at BYU for 28 years, published more than 150 articles and served for fi ve years as the technical director of the Multi-University Research Initiative, which was composed of seven U.S. universities and seven Russian universities. Beckstead is perhaps best known in the fi eld for being the author of the Beckstead-Derr-Price model of rocket propellant combustion, a basic concept in most modern propellant research.

Though he has retired from his formal teaching schedule, Beckstead continues to research, work with graduate students and contribute to the work of national and international colleagues.

The Governor’s Medal award program was initiated in 1987 to recognize outstanding examples of career achievement and distinguished service that have benefi ted Utah.

This article includes excerpts from a BYU News Release, dated January 9, 2007.

The Naval Air Warfare Center (NAWC) in China Lake, California, was home to the winter 2006 meeting of the National Rocket Propulsion Test Alliance

(NRPTA) on November 15 and 16. Dr. Shamim Rahman (NASA/Stennis Space Center) and Dr. Randy Quinn (Air Force Arnold Engineering Development Center) co-chaired the meeting, and Bettye Moody and Chris Gibbs (Naval Air Warfare Center – Weapons Division) hosted the function. The meeting was attended by a strong contingent of members from the NASA Field Center Test Sites and U.S. Department of Defense Rocket Test Facilities, and other speakers and guests.

NRPTA business included plans for test assignment and infrastructure development in support of the NASA Exploration DDTE, synergistic opportunities with JANNAF activities, and discussions on NRPTA’s annual report for GFY 2006. The meeting also included special screenings of video from Hurricane Katrina and its effects on the NASA Stennis Space Center, and a legacy technical presentation (video) on Apollo-era engine development by Paul Coffman (specially arranged by NASA Stennis.)

NRPTA serves the rocket propulsion test community and the national interest through its charter:

“To fortify the relationship between the National Aeronautics and Space Administration (NASA) and the Department of Defense (DoD), to shape the government’s rocket propulsion test capability in order to effi ciently meet national test needs through intra- and inter-agency cooperation. To pursue initiatives and collaboration to further defi ne needs and develop advanced propulsion test capabilities.”

More information on the history and activities of NRPTA is available on the organization’s Web site: https://rockettest.ssc.nasa.gov/nrpta/, or by contacting NRPTA Executive Secretary Kirk Sharp (NASA SSC) at Kirk.V.Sharp@nasa.gov.

JANNAF Meeting Calendar

200738th Structures and Mechanical Behavior/25th Rocket Nozzle Technology/

16th Nondestructive Evaluation Joint Subcommittee Meeting20 - 22 March 2007

Abstract Deadline: PastManuscript and Presentation Deadline: Past

Hyatt Regency Newport Hotel and SpaNewport, RI

Hotel Reservation Deadline: 26 February 2007Reg. Forms due at CPIAC by: 5 March 2007

54th JANNAF Propulsion Meeting/5th Modeling & Simulation/3rd Liquid Propulsion/ 2nd Spacecraft Propulsion Joint Subcommittee Meeting

14 - 17 May 2007Abstract Deadline: Past

Manuscript and Presentation Deadline: 9 April 2007Marriott Denver City Center

Denver, COPh. 800-444-2206 or 303-297-1300

Hotel Reservation Deadline: 23 April 2007Reg. Forms due at CPIAC by: 30 April 2007

34th Propellant and Explosives Development and Characterization/23rd Safety & Environmental Protection Joint Subcommittee Meeting

13-17 August 2007Abstract Deadline: 2 April 2007

Manuscript and Paper Clearance Deadline: 16 July 2007Electronic Presentation Deadline: 6 August 2007

Circus Circus RenoReno, NV

Ph. 800-648-5010 (Refer to JANNAF Group)Hotel Reservation Deadline: 23 July 2007

Reg. Forms due at CPIAC by: 30 July 2007

Remember to visit www.jannaf.org for meeting updates.

Policy on Non-Government Attendees at JANNAF Meetings. Attendance at unclassifi ed meetings for non-government employees is restricted to U.S. citizens whose organizations are 1) registered with the Defense Logistics Information Service (DLIS) and 2) registered with the Defense Technical Information Center (DTIC) OR are certifi ed by a sponsoring government offi cial from one of the participating JANNAF agencies. Additional information concerning registrations with DTIC or DLIS can be obtained by contacting DTIC at 1-800-225-3842 (www.dtic.mil/dtic/registration/index.html) or DLIS at 1-800-352-3572 (www.dlis.dla.mil/jcp/). The requirement for attendance at classifi ed JANNAF meetings

remains unchanged.