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Diesel engines to the greatest extent satisfy the tendencies that take place in the engine building: increased power indicators, reduced specific fuel consumption and toxicity of exhaust gases. It is possible to realize the indicated advantages of diesel engines only if the parameters that characterize the fuel supply are ensured and maintained. The nature of the fuel supply predetermines the indicators that characterize the quality of the workflow in a diesel engine. As you know, during the operation of a diesel engine, there are significant differences between the real characteristics of the fuel supply to the optimum. These differences arise due to the fact that the technical condition of the elements of the high pressure fuel system (HPF) changes. Establishing the optimal parameters that characterize the fuel supply during the operation of the fuel equipment (FE) is a rather difficult task, which is caused by the interconnectedness and interdependence of these parameters. It is especially necessary to take into account that while optimizing some fuel supply parameters, others often deteriorate. In order to ensure a high-quality fuel combustion process, the fuel system of a diesel engine is faced with the task of ensuring guaranteed injection of a metered cyclic fuel supply (CFS), taking into account the specified phases and injection characteristics, which will have a beneficial effect on the fuel combustion process in any operating modes of the diesel engine. Thus, with a change in the technical characteristics of the HPF during operation, the characteristics of the injection also change. When studying the influence of the HPF parameters on the fuel supply characteristics, the change in the injection characteristics is often not taken into account, which is explained by the complexity and laboriousness of these studies. Considering the above, the optimization of the characteristics of diesel engines fuel supply is an urgent problem.

Improving the performance of tractor diesel engines by optimizing the fuel supply characteristics