一、试验目的供油系统是柴油机中的一个重要部分,它直接影响着柴油机的主要性能。因此,在新机型试制和产品改进的过程中,为了获得整机良好的各项指标,往往需要对供油系统进行大量的试验研究工作。特别对机车用中速柴油机来说,由于多采用浅皿形燃烧室,气缸内的空气运动较弱。因此,要想合理地组织燃烧过程,就要求燃油系统能在机车的任一运行工况中, First, the purpose of the test The fuel supply system is an important part of the diesel engine, which directly affects the main performance of the diesel engine. Therefore, in the new model trial and product improvement process, in order to obtain a good whole set of indicators, often require a lot of oil supply system for experimental research. Especially for medium-speed diesel locomotives, the use of shallow dish-shaped combustion chamber, the air movement within the cylinder is weak. Therefore, in order to organize the combustion process reasonably, it is required that the fuel system can operate in any operating condition of the locomotive,