王凯1，李茂华2，侯亦兵1，汤兆国1
（1.大连中车柴油机有限公司，辽宁 大连 116021；2.中国中车大连机车车辆有限公司，辽宁 大连 116021）
摘要：在240型单缸柴油机上进行了0号轻柴油和4#燃料油的不同喷油器的对比试验：通过对两种燃料示功图曲线以及放热率曲线的分析，对比研究了轻柴油和4#燃料油的缸内燃烧情况；改变喷油器喷孔参数，比较了不同喷油器参数对燃油喷射雾化以及缸内燃烧的影响；最后进行了不同进机粘度的4号燃料油性能试验；240系列多缸机若要燃用4#燃料油时只需改变喷油器规格。
关键词：240单缸柴油机；4号燃料油；喷油器；缸压曲线；放热率曲线
Abstract: In 240 single cylinder diesel engine of the contrast test of No.0 diesel and No. 4 fuel oil of different injector: By the two kinds of fuel power curve and heat release rate curve analysis of signs and contrast research the condition of combustion in the cylinder of light diesel oil and 4# fuel oil; Change of injector hole parameters, Compared the different fuel injector parameters on fuel spray atomization and combustion effects; finally, A different viscosity of 4# oil fuel oil test. Other 240 Diesel Engine for use 4# fuel oil need for changing fuel injection size.
Keywords: 240 Single Cylinder Diesel Engine; Fuel Oil No. 4; 8 Hole Injector; 9 Hole Injector; Cylinder Pressure Curve; Heat Release Rate Curve
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