tno climatic-altitude chamber · 2018-11-14 · tno climatic-altitude chamber in service emissions...
TRANSCRIPT
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TNO
Climatic-Altitude Chamber
In Service Emissions measuredat Laboratory Conditions
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About Powertrain Test Centre
Mission Statement
To provide R&D testing services in the field of combustion engines, drivetrains and vehicles
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Climatic – Altitude Chamber
Air-tight door
Dyno’s
Operator window
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Background
Why this tool?
� Trend to robust and durablein-service emission performance
Enginetype approval
Vehicle real-life performance
Climatic – altitude chamber enables accurate testing of both
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TNO climatic chamber provides unique combination of:
1. Climatic conditions: temperature & altitude
2. Transient (hub mounted) dynamometer
3. Emission measurement equipment (CVS)
4. Complete (HD) vehicle accomodation
Unique Combination
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Capabilities (1/2)
○ Temperature range: -45 to +55 °C
○ Altitude range: 0 to 4000 m
○ Wind speed, nozzle area: 120 km/h, 1.25 x 0.7 m
○ Dynamometer power, torque: 550 kW, 7000 Nm
○ Regulated emissions: NOx, CO, THC, CO2
○ Unregulated emissions: NO, N2O, O2, NH3
○ FTIR analyser
○ Particulate partial flow sampler
○ Full flow CVS at standard ambient conditions
○ Two direct emission lines at all ambient conditions
○ Full transient dynamometers
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○ 2WD – one driven vehicle axle only (other driven axles are disconnected)
○ Gearbox is fixed into one gear
○ Hub-mounted dynamometers enable transient testing
○ Vehicle speed trace of actual cycle will be transformed into
engine torque-speed-time diagrams
Capabilities (2/2)
Engine setup Vehicle setup
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Application examples (1/2)
○ IUC verification
○ Benchmarking, comparative technology assessment
○ OBD calibration and validation
○ Vehicle fuel consumption testing
○ Cold start performance optimization
○ Performance at altitude
○ Precalibration of summer and winter trials
○ Cooling and cabine performance
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ISC (EU)
Cold start,White smoke
Engine power,Turbo speed,Black smoke
Cooling,Engine-
brake
DPFregen.
Temperature [°C]
Altitude [
mete
rs]
NOx control OBD (EU)
NTE (US)
OBD (UN)
IUPR (EU)
0
1000
2000
3000
4000
-50 -40 -30 -20 -10 0 10 20 30 40 50 60
TNO capability
Application examples (2/2)
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○ Time-to-market reduction
○ Season independent
○ Development cost reduction
○ Accurate and reproducible
○ Increased product robustness
○ Independent results
Customer Benefits
Important benefit is the ability to combine a great variety of testing needs in a compact and efficient test programme
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Conclusion
○ TNO offers the capabilities on a project basis
○ Based on your input, TNO will develop a program to meet your objectives
TNO Climatic Chamber
In Service Emissions measuredat Laboratory Conditions
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Contact Information
TNO Automotive
Peter van Gompel
Business Manager Powertrain Testing
Steenovenweg 1
5708 HN Helmond
The Netherlands
T +31 40 265 2600
tno.nl/automotive