本文提出了一种评价发动机动力指标的计算方法,认为用功率因素值比用升功率值更合理。本文提出的计算方法可以评定不同类型发动机的动力性能指标。 This paper presents a method to evaluate the engine power calculation method, that the use of power factor than the value of power is more reasonable. The calculation method proposed in this paper can evaluate the dynamic performance of different types of engines.