柴油机气缸内气体成分及其热工参数计算方法

A Calculation Method for Composition of Gas and Its Thermodynamic Properties in Diesel Engine Cylinder

本文提出了以气缸内纯空气和纯燃烧产物所占质量百分率来表示缸内气体成分和计算热工参数的方法,推导了公式,进行了计算,并与国外已有公式进行了对比。其结果表明了这种方法的正确性和可用性,也表明这种方法具有概念清晰,计算简便的优点。

A method to express compostion of gas in diesel engine cylinder bymass fraction of pure air and pure combustion products and to calculate itsthermodynamic properties is advanced.The calculation formulas were derivedand calculated results were compared with those from literatures.It isshowed the method is reasonable and feasible.