title of presentation - on the mos way · 2015-12-28 · man diesel & turbo man turbocharger...
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1< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Turbocharger Evolution
Turbocharger Solutions for System Optimization
George Drossos
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2< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
80 Years Experience in Turbocharging!MAN Turbocharger
MAN Diesel & Turbo Germany
PBS Turbo Czech Republic
MAN Diesel & TurboTurbocharger Plant Changzhou, China
STX HIKorea
Kawasaki Japan
Mitsui Japan
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3< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Turbocharger Portfolio
TCATCR
Engine Outputs up to 30.000 kW / Engine
Max press. ratio 5.5
> 6.500 References
TCR
TCA
7 sizes (TCR10 – TCR22)
Suitable for HFO, MDO, GAS
Modular design concept
6 sizes (TCA33 – TCA88)
Over 70 million accumulated operating hours
Suitable for HFO, MDO, GAS
Biggest 4-Stroke TC in the world
> 7.000 References
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4< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Operations, Repairs and MaintenanceContribution through…
Maintenance out of
one hand
Optimized
maintenance
schedules
Easy maintenanceOpen maintenance
system
Parts exchange on
condition basis
Wide Service
Network
Training and
Qualification
Well proven
Turbochargers
Reduced costs and
maximum flexibility
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5< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Optimized Maintenance ScheduleIntermediate Inspection for TCA 2-stroke Turbocharger / CUS333
After…
10 years of experience
much more then 5.500 sold units
and millions of operating hours
we cancelled the 12.000 OH bearing
inspection.
Saving you time and money with full
reliability!
(Already standard for TCRxx-2x)
Reduction for manpower by 33%
Dry Dock to Dry Dock
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6< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Service ExperienceM/T OCEAN DESTINY 6S50MC
TCA66 29422 OH
Shroud ring reused
Bearings reused
Sealing Covers reused
Labyrinths reused
Also Turbine, Compressor and Nozzle ring reused
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7< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Service ExperienceM/T GSW FORWARD 6L35MC Mk6
TCR22 26760 OH
T/S Bearing reused
C/S Bearing replaced
Nozzle ring reused
Also Turbine, Compressor
CBM
lifetime may exceed
the projected values.
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8< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Condition-Based MaitenanceAging of Impeller / Thermal Aging
Theoretical average life time of a
compressor wheel is 80.000 OH.
Actual life time is depending on the
operating conditions!
When reaching 80.000 OH, a
compressor wheel has to be
checked.
If material parameters are still good
the CW can be kept on using.The life time evaluation of compressor
wheels is a long term project.
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9< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Non-Distructive Measurement MeasureAging of Impeller
p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12
Σειρά1 42 42,3 42,3 41,8 41,9 42,1 42,3 41,8 41,9 42,1 42,2 42,2
41,5
41,6
41,7
41,8
41,9
42
42,1
42,2
42,3
42,4
co
nd
ucti
vit
yin
%IA
CS
(f
=60kH
z)
Conductivity (NA57-38237)
P1
P2
P4
P3
P5
P6
P7 P8 P9 P10 P11 P12
The life time evaluation is based on the
relation between electrical conductivity
and material hardness
MV Buxsailor
NA57
>107.000 OH still in
good condition, reused
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10< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Open and Easy MaintenanceSuper Bolt
Present design / Variant 4+Compressor wheel exchange
with standard tools
For MDT TCA no special tools needed!
Crew can work on turbocharger without
restrictions!
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11< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Piraeus
ShanghaiFort Lauderdale
Busan
Rio de Janeiro
Academy & TC Service Hub
Turbocharger Service Hub
Service Network Worldwide24/7 and Training
Saint-Nazaire
Augsburg
Frederikshavn
Copenhagen
Holeby
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12< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Exchange of ideas…
Is the turbocharger influencing the
engine’s performance?
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13< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
150,0
152,0
154,0
156,0
158,0
160,0
162,0
164,0
166,0
10095908580757065605550454035
SFOC High Load Tuned [g/kWh]
Tuning Methods High, Part and Low Load
Tuning Comparison on basis of CEAS data.
6G50ME-C9.5
SMCR: 6120kW @ 79rpm
ISO conditions
Potential savings up to
5 g/kWh
Potential penalty up to
3 g/kWh
EEDI Measurement
VTAVariable Turbine Area
EGBExhaust Gas Bypass
Standard Tuning
HPTHigh Pressure Tuning
Part
-and L
ow
Load
Hig
h
Load
ECTEngine Control Tuning
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14< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
150,0
152,0
154,0
156,0
158,0
160,0
162,0
164,0
166,0
10095908580757065605550454035
SFOC High Load Tuned [g/kWh]
SFOC Part Load EGB / HPT [g/kWh]
SFOC Low Load EGB / HPT [g/kWh]
SFOC Part Load VTA[g/kWh]
SFOC Part Load ECT[g/kWh]
SFOC Low Load VTA [g/kWh]
SFOC Low Load ECT [g/kWh]
Tuning Methods High, Part and Low Load
VTAVariable Turbine Area
EGBExhaust Gas Bypass
Standard Tuning
HPTHigh Pressure Tuning
Part
-and L
ow
Load
Hig
h
Load
ECTEngine Control Tuning
6G50ME-C9.5
SMCR: 6120kW @ 79rpm
ISO conditions
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15< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Application Example37,000 dwt Chemical Tanker
General T/C Requirements:
Scavenging Air-Pressure: 3.60 bar
Scavenging Air Mass Flow: 12.9 kg/s
Turbine Inlet Temperature: 377 °C
Exhaust Receiver Pressure: 3.50 bar
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16< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Excourse dot 5 EnginesConsequences on Turbocharger
L1:
• Scavenge air pressure: -0.2 bar
• Air amount: +0.1 kg/kWh
Speed derating (L3):
• Scavenge air pressure: -0.2 bar
• Air amount: ~+0.15 kg/kWh
MEP derating (L2):
• Scav air pressure: -0.48 to -0.6 bar compared
to L1
• Air amount: ~+0.15 kg/kWh
MEP + Speed derating (L4):
• Scav air pressure: -0.48 to -0.6 bar compared
to L1
• Air amount: ~+0.25 kg/kWh
Trend to lower Scavenge
Air Pressures!
L1
L2
L3
L4
From L1-L3 line to L2-L4 line
reduction of scavenging air
pressure
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17< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
New Opportunities Entering New Markets & Applications
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18< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Challenges for Ship Industry and Power Generation
More stringent emission limits for SOX, NOX, PM, CO2 (IMO Tier I – III, ECAs, EEDI, WB II)
Reduction of operational costs and invest
NOx Limits – Exemplary Cost Structure (10 years)
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19< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Future Market Requirements2-Stage Turbocharging for 4-Stroke Engines
Two turbochargers of different size are
connected in series with intermediate cooler
and charge-air cooler.
Reduction of SFOC
Reduced exhaust emissions (NOx) in
conjunction with Miller engine cycle
Increase of power output
Compact design
Improved dynamic response
Increased charge-air pressure
Reduced exhaust emissions
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20< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Potential of Two-stage Turbocharging
Benefits of 2-stage turbocharging:
Reduced SFOC through incerased turbocharging efficiency
Higher scavenging air pressures enable downsizing
NOx-Reduction with application of Miller - Cycle
Optimized flushing
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21< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Regulation of scavenging air is possible with various regulation strategies:
Wastegate (LP / HP), Compressor bypass (LP / HP), VTA (LP / HP).
Higher flexibility with different ambient conditions
Better scavenging efficiencies through optimized component efficiencies
Basics of 2-stage Turbocharging
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22< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
ECOCHARGEFirst fire 12V35/44G TS
HP Stage: 2x TCX17
LP Stage: 2x TCR20
>> The Future is Two-Stage! <<
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23< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
TCX Overview
compressor side:
- higher flow capacity at
lower pressure ratios
- wider compressor map
- efficiency optimization
at lower pressure ratios
optimized bearings for increased forces
turbine side:
- optimization for high
pressure stage
- higher flow capacity at
lower pressure ratios
- efficiency optimization
at lower pressure ratios
optimized casings for containment
safety and higher pressure level
Compactness in order to minimise
additional space (and weight)
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24< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Two-Stage TurbochargingMAN Portfolio of two-stage turbocharged engines
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25< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Two-Stage TurbochargingMAN Portfolio of two-stage turbocharged engines
Well proven TCA88 and TCA77
turbochargers
Modular design of LP- and HP
turbocharging module and interfaces
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26< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Tier III Leading to New DevelopmentsNew products for new demands
ETB
EGR module consisting of
Scrubber
Cooler
Water mist catcher
EGR blower
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27< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
ETB – Electrical Turbo BlowerMAN Diesel & Turbo’s exhaust gas recirculation blower
MAN compressor competence in combination with
high-speed e-motor
High efficient compressor wheel optimised for low
pressure ratios
Variable speed operation
Design to cost
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28< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Exhaust Gas Recirculation BlowerChallenges
Highly corrosive atmosphere
Acid water droplets (erosion/corrosion)
Machining of stainless steel compressor
High speed drive (up to 18,000 rpm)
High performance components at competitive
costs
High mass flow at low pressure ratios
Blower efficiency = energy efficiency
Compact design
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29< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
MAN TurbochargersHighlights
Field Test ETB18 since May 2015
Ship Name: KEY PACIFICO
Ship Type: 82.000 dwt BC
Engine Type: MES 6S60ME-C8.2 Tier III
T/C Type: MES TCA55-21
Ship Owner: NYK
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30< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
Conclusion
Combination of new high performance components with proven design
concepts
Robust and cost effective solutions
From one single source: Engine, Blower, Control System, Turbocharger
Proven designs with extensive references
Wide service network
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31< >MAN Diesel & Turbo Sephardim Koblenz Turbocharger Evolution - Athens 22.10.2015MAN Turbocharger
George Drossos
Head of Marine New Sales and Promotion
MAN Diesel & Turbo Hellas Ltd
89, Akti Miaouli Str. Piraeus, 185 38, Greece
Phone +30 210 4587 915
Cell +30 6932 631409
Fax +30 210 4587 928-9
Do you have any more Questions?