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喷射压力是喷射系统最重要的特征参数之一。本文根据在三种高增压柴油机上用十种不同组合的喷射系统的实机试验、油泵台试验和利用电子计算机进行的模拟计算,研究了二十余项运行参数和结构参数对喷射压力的影响规律。并给出了定性和定量的分析结果。文内还进而提出了高增压柴油机最佳喷射压力的选择原则、方法和范围。并介绍了运用这一原则在机车用中速柴油机上所取得的良好试验结果。
Injection pressure is one of the most important characteristic parameters of the injection system. In this paper, three kinds of high-pressure diesel engine with ten different combinations of injection system real machine test, the pump bench test and the use of computer simulation to study more than twenty operating parameters and structural parameters of the injection pressure Affect the law. The qualitative and quantitative analysis results are also given. The text also put forward the principle, method and range of the optimal injection pressure of high pressure diesel engine. And introduced the use of this principle in locomotives with medium-speed diesel engine obtained good test results.