2013 DOE Annual Merit Review - ACCESS - Department of Energy

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2013 DOE Annual Merit Review - ACCESS • Project Overview • Relevance • Approach • Collaboration and Coordination) • Technical Accomplishments • Summary and Future Work 28 Gasoline S ystems | 5/17/2013 | © 2013 R obert Bosch LLC and affiliates. All rights reserved.
2013 DOE Annual Merit Review – ACCESS – Technical Accomplishment Overview – C ombus tion S ys tem 22 10 6.0 B ME P [bar] SI+eEGR vs Boosted PVO SACI NVO SACI 3.5 2.0 HCCI 1500 3500 S peed [R PM] Major Accomplis hments • F inalized AC C E S S prototype engine hardware • E valuated emis s ions and after-treatment performance during trans ient HC C I/S AC I operation • Identified hardware required for extens ion of HC C I/S AC I load limit us ing 1D and 3D s imulations Approach • Define engine operating conditions and trans ient performance requirements us ing engine and vehicle-level s imulations • Develop advanced combus tion concepts us ing s imulations and experiments at s ingle & multicylinder engines s imultanes ouly • E valuate s ys tem concept under drive-cycles conditions in vehicle and on UofM trans ient dyno F uture Work • Parameterize target combustion modes for prototype II engine • E xperimentally validate fuel economy, emissions, and vehicle performance on drive cycles • E xperimental evaluate efficiency potential of high load dilute combus tion concepts, including boos ted P V O S AC I and boos ted S I with LP E G R 29 Gasoline S ystems | 5/17/2013 | © 2013 R obert Bosch LLC and affiliates. All rights reserved.
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2013 DOE Annual Merit Review - ACCESS - Department of Energy

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