Numerical analysis of spark plugs number influence on selected parameters of combustion in piston engine
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Publication date: 2008-02-01
Combustion Engines 2008,132(1), 50-55
The results of numerical analysis of combustion in multi-spark plug SI engine are presented in the paper. The outcome of computational analysis of lean mixtures combustion in engine with one and two spark plugs are compared. The output data was presented in graphical form as screenshots (temperature distribution) and as pressure and temperature courses in function of crank angle. 3D numerical modelling of combustion in multi-spark plug engine proved that improvement in lean mixture combustion process can be obtained by increasing the number of active ignition points. As conclusion it can be stated that numerical modelling results confirmed the favourable influence of applying two active spark plugs in lean mixtures combustion.
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