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COMBUSTION SYSTEM DESIGN• Complex interaction of combustion processes:• Complex Flows• Turbulence• Sprays• Combustion Chemistry• Needs to address customer requirementsfor increased efficiency while meetingregulatory requirements for emissionsregulationExtremely complex process to maximise efficiency and control emissionsCopyright © Cummins 2000-2012 Inc. Cummins Inc. All rights reserved. Presented at the Shell Technology Forum, October 2012 16
DIESEL COMBUSTION TESTINGSandia Cummins N14 HDD Optical EngineCombustion Simulation - Computer ModelingComputer modeling and simulation helps improve engine efficiencyCopyright © 2000-2012 Cummins Inc. All rights reserved. Presented at the Shell Technology Forum, October 2012
Page 1 and 2: DEVELOPMENTS IN ENGINETECHNOLOGYJIM
Page 3: EVOLUTION OF KEY TECHNOLOGIESMaking
Page 6 and 7: NOx + HC (g/kW-hr)EVOLUTION OF KEY
Page 8 and 9: LEADER OF INTEGRATED COMPONENT TECH
Page 10 and 11: DIESEL PARTICULATE FILTER (DPF)•
Page 12 and 13: COMBINATION SCR /DPF/DOCCombination
Page 14 and 15: Injection Pressure (Bar)EVOLUTION O
Page 18 and 19: LEADER OF INTEGRATED COMPONENT TECH
Page 20 and 21: DUAL FUEL BASICS: HOW DOES IT WORK?
Page 22 and 23: LIFE-TO-OVERHAUL (LTO)46% HP increa
Page 24 and 25: ELIMINATORFull-flow filterSeries of
Page 26: SUMMARYEmissions regulations will d

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