成層混合気の燃焼に関する研究

概要

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The purpose of this study is to investigate flame propagation phenomena through a stratified charge. The stratified charge consists of two or three of two or three propane-air mixtures of different equivalence ratios. Mixtures are arranged in series with a constant volume bomb which has particular slide valves. Changing the composition of the stratified charge, we measured the duration of combustion and the concentration of unburned hydrocarbon. The results are as follows: lean mixtures, the combustion of which are unstable by themselves, can be burned stable by the stratification. If the overall equivalence ratios of stratified charges are the same, a homogeneous charge has a faster flame propagation speed than any other stratified charge. And on this condition, the duration of combustion and unburned hydrocarbon in crease in proportion to the degree of stratification.
一般社団法人日本機械学会の論文
1988-10-25