【摘要】 本文应用了本所研制成功的燃烧状态下动态油膜厚度测量技术及其装置，在直喷 式ω型油膜－雾化燃烧系统中，对 Ｅ１５０型柴油机在额定转速下、不同负荷时．活 塞顶面上的油膜面积及其与活塞顶面积的比值，油膜油量与雾化油量及其比值的变化 规律进行了测定．此外对油膜厚度及其变化速率的主要影响因素，如油嘴伸出高度． 喷油始点大小，油束夹角和燃烧室形状等作了一些试验和研究．更多还原

【Abstract】 This paper, applying dynamic measuring technique of tlie fuel film thickness and its device under combustion, which was developed by Institute of Internal Combustion Engine of DIT, indicates the measurement of law of the changes of the fuel film area on the piston top and the ratio of fuel film area to piston top area,the fuel film volume and the space atomizing fuel volume and its ratio, on film-space atomization combustion system with direct injection. in ω type chamber for Model E 150 diesel engine under rated rotating speed and various loads. Furthermore some experimental investigations on the main factors of fuel film thickness and its changing rate, such as nozzle’s extrusive height, timing of Juel injection, angle between nozzle sprays and chamber shape, etc. are made.更多还原