Spark ignition natural gas engines with prechamber, having high thermal efficiency and low exhaust emissions, have been developed due to energy resources and air pollution problems in recent ten years. A lot of significant results on experimental have been given, but the reports on combustion model were few seen so far. This paper discribles a quasidimensional combustion model for the engines with prechamber. A simulation method for calculating turbulent intensity in cylinder and a submodel for jet orifices between two chambers are put forward. It showed by testing that calculated data showed good general agreement with the corresponding experimental values.
A Quasidimensional Model of SI Natural Gas Engines with Prechamber
Sae Technical Papers
International Fuels & Lubricants Meeting & Exposition ; 1997
1997-10-01
Aufsatz (Konferenz)
Englisch
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