柴油机气缸内滞燃期的确定具有很大的意义。文中提出了一种计算直喷式柴油机,特别是在烧重油情况下滞燃期的计算方法,利用这种方法可以对直喷式柴油机烧各种燃料情况下的滞燃期进行计算。大量的计算与试验结果间的对比证明了这种方法的可用性和可靠性。 The determination of the ignition delay in the cylinder of a diesel engine is of great significance. In this paper, a calculation method of calculating the retarding period of direct injection diesel engine, especially in the case of burning heavy oil, is proposed in this paper. By this method, the calculation of the retarding ignition time of direct injection diesel engine burning with various fuels can be made. A large number of calculations and test results contrast between the proof of the availability and reliability of this method.