ディーゼル噴霧の燃料濃度分布および燃焼

概要

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Effects of nozzle diameter, fuel injection pressure, density of ambient gas and impingement on a wall, on fuel distributions in unevaporated diesel sprays were investigated. The fuel distributions were obtained by means of the image analyses of shadow photographs of sprays. Further, effects of fuel injection pressure on combustion of sprays in a diesel engine and a relation between fuel distributions in unevaporated sprays and the heat release rates in the diesel engine were investigated. The results are as follows. Decrease in nozzle diameter, increase in fuel injection pressure and impingement on a wall improve fuel-air mixing. Increase in fuel injection pressure improves the performance of the diesel engine. There is a considerable correlation between the fuel distributions in unevaporated sprays and the heat release rates in the diesel engine.
社団法人日本マリンエンジニアリング学会の論文