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This paper discusses the modelling of turbulent combustion of I.C. engines. The results that can be obtained with classical models of the eddy break-up type are examined. A new model for turbulent wrinkled flame propagation is described and examples of its application are given. The testing of turbulence models in a constant volume combustion chamber is then discussed. It is shown that this type of model can give unrealistic results due to its inability to handle compressed turbulence. Based on the results of direct numerical simulation and rapid distortion theory, a new model is proposed.

Additional information

Authors: BORGHI R, CORIA, Faculté des Sciences de Rouen (FR);DELAMARE L, CORIA, Faculté des Sciences de Rouen (FR);MANTEL T, CORIA, Faculté des Sciences de Rouen (FR)
Bibliographic Reference: Paper presented: Unsteady Combustion Conference, Porto (PT), September 1993
Availability: Available from (1) as Paper EN 38105 ORA
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