An Engine System Approach to Exhaust Waste Heat Recovery - EERE

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Program TimelineProgram Phases Per ContractEND OFPROGRAMDefineRoadmapPhase 120052006ValidateroadmapPhase 220072008Mid-ProgramSystem DemoPhase 320092010Continue developmentof promisingtechnologies Originally planned as a 5 Phase Program Truncated to 3 Phases – migration to Supertruck Final program report Technologies developed Key results & lessons learnedCaterpillar Non-Confidential
An integrated system solutionto waste heat recoveryA/CEngine C15ApproachBrakePowerPort Insul.(0.5%)Numbers in ( ) indicate % increase inthermal efficiency from this componentPiping(0.5%)Intercooling(1.3%)HP Turbine(2.0%)HP CompI/CHP TurbStackStrategy OptimizationLP CompLP TurbAmbientCGIHECoolerDPFCGIBaseline C1515.2L On-Highway Truck EngineLPL (low pressure loop) configurationStack Recovery*(4.0%)Compressors(0.7%)LP Turbine(1.0%)•Turbocompound or bottoming cycle: supplementsengine power via electrical or mechanicalconnection to flywheelCaterpillar Non-Confidential
Page 2 and 3: DisclaimerThe work described in thi
Page 5: Program ObjectiveDevelop components
Page 9 and 10: AGENDA• EWHR Program Objectives,
Page 11 and 12: Technical Progress - HP Turbine +2%
Page 13 and 14: Technical Progress - HP Turbine +2%
Page 15 and 16: Technical Progress - LP TurbineTarg
Page 17 and 18: Technical Progress - Stack Recovery
Page 19 and 20: Technical Progress - Stack Recovery
Page 21 and 22: Port Insul.(0.5%)Piping(0.5%)Summar
Page 23: Caterpillar Thanks:Acknowledgements

An Engine System Approach to Exhaust Waste Heat Recovery - EERE

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