画像計測によるディーゼル噴霧・火炎の研究 : 第1報, 噴射圧力が噴霧特性とすす生成および燃焼特性に及ぼす影響

概要

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The characteristics of diesel spray and flame in a quiescent atmosphere were studied as a function of injection pressure ranging from 30 to 110 MPa. Measurements included the spray form and Sauter mean diameter of a non-evaporating spray, the liquid phase penetration of an evaporating spray and the visualization of sooting zone in a flame. Experimental results show that high pressure injection improves the atomization and air entrainment of a non-evaporating spray and that the liquid phase penetration of an evaporating spray is hardly affected by injection pressure, demonstrating a promotion of evaporation with injection pressure. Visualization of the sooting zone in a flame made it clear that high pressure injection is advantageous in reducing soot formation and shortening the combustion duration.
一般社団法人日本機械学会の論文
1988-03-25