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作者采用气电示功器和袖珍计算机对没有达到设计指标的 F1-120柴油机放热规律进行了测试、计算和分析.本文介绍了气电示功图的测录、修正方法,以及按单区燃烧模型用 pc—1500袖珍计算机进行放热规律计算的程序框图.探讨了测试和计算过程中与本试验的特点相联系的一些具体问题.最后,根据所得放热规律对本机燃烧情况进行了剖析.本文作为一个实例,说明将放热规律作为一种对发动机性能进行诊断的监测手段是有效的.
The author uses gas dynamometer and pocket computer to test, calculate and analyze the exothermic rule of F1-120 diesel engine that did not reach the design index.This paper introduces the measurement and correction methods of pneumatic dynamometer, Combustion model pc-1500 pocket computer calculation of the exothermic process block diagram of the test and calculation of the characteristics of the test discussed some of the specific issues.Finally, according to the resulting exothermic analysis of the combustion of the machine were analyzed As an example, this article shows that it is effective to use the exothermic law as a monitoring tool to diagnose engine performance.