About: Large Eddy and System Simulation to predict Cyclic Combustion Variability in gasoline engines

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About: Large Eddy and System Simulation to predict Cyclic Combustion Variability in gasoline engines Goto Sponge NotDistinct Permalink

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Description	The objective of LESSCCV is to exploit the recent possibilities of engine computational fluid dynamics (CFD) tools to fundamentally improve the understanding of cyclic combustion variability (CCV) in spark ignition (SI) engines and to provide adequate modeling. Multi-scale CFD tools, which are able to study in detail the sources of CCV, will be developed. These tools will be achieved by coupling 1D-CFD codes with 3D-CFD ones. The latter will apply innovative Large-Eddy Simulation (LES) technique, which can accurately reproduce the cycle resolved flow inside the combustion chamber. The resulting improved understanding of CCV in SI engines will be capitalized in the form of models able to reproduce the characteristics and effects of CCV in multi-cycle 1D-CFD simulations of operating points subjected to cyclic variability. Finally, improved industrial 1D-CFD codes will be applied in case studies aimed at demonstrating the benefits from a better prediction of CCV. (en) The objective of LESSCCV is to exploit the recent possibilities of engine computational fluid dynamics (CFD) tools to fundamentally improve the understanding of cyclic combustion variability (CCV) in spark ignition (SI) engines and to provide adequate modeling. Multi-scale CFD tools, which are able to study in detail the sources of CCV, will be developed. These tools will be achieved by coupling 1D-CFD codes with 3D-CFD ones. The latter will apply innovative Large-Eddy Simulation (LES) technique, which can accurately reproduce the cycle resolved flow inside the combustion chamber. The resulting improved understanding of CCV in SI engines will be capitalized in the form of models able to reproduce the characteristics and effects of CCV in multi-cycle 1D-CFD simulations of operating points subjected to cyclic variability. Finally, improved industrial 1D-CFD codes will be applied in case studies aimed at demonstrating the benefits from a better prediction of CCV. (cs)
Title	Large Eddy and System Simulation to predict Cyclic Combustion Variability in gasoline engines (en) Large Eddy and System Simulation to predict Cyclic Combustion Variability in gasoline engines (cs)
http://linked.open...vai/cislo-smlouvy	http://linked.opendata.cz/resource/domain/vavai/cep/smlouva/1090/2011-321
http://linked.open...lsi-vedlejsi-obor	http://linked.opendata.cz/resource/domain/vavai/cep/obor/BK
http://linked.open...avai/druh-souteze	http://linked.opendata.cz/resource/domain/vavai/cep/druh-souteze/RP
http://linked.open...domain/vavai/faze	http://linked.opendata.cz/resource/domain/vavai/cep/faze/54675208
http://linked.open...vavai/hlavni-obor	http://linked.opendata.cz/resource/domain/vavai/cep/obor/JT
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http://linked.open...vai/klicova-slova	large eddies; turbulence; spark ignition; cycle-to-cycle variability; premixed combustion; direct injection; cavitation; flame kernel; mixture stratification; detonation (en)
http://linked.open...avai/konec-reseni	2012-11-30 (xsd:date)
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is http://linked.open...ain/vavai/projekt of	http://linked.opendata.cz/resource/domain/vavai/cep/ucast/2010/7E10050/orjk-21220 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/2011/7E10050/orjk-21220 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/2012/7E10050/orjk-21220 http://linked.opendata.cz/resource/domain/vavai/cep/ucast/2013/7E10050/orjk-21220

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