燃油混合气弹性性能值的计算与修正

L. Grekhov, N.A. Arsenov, E. Salykin, Jianhuey Zhao
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引用次数: 0

摘要

本文证实了使用一种简单方便的科尔方程状态形式,可以快速而足够精确地确定高压和超高喷射压力下燃油混合物的密度、压缩系数和声速。本文描述了一种计算燃料混合物弹性特性的方法,该方法使用状态方程的常数,这些常数以表达式的形式确定常数与温度的依赖关系。通过引入通用修正系数,可以对混合燃料弹性性能的计算值进行细化。对文献来源的实验数据进行处理和研究,为获得经验系数确定修正系数提供依据,修正系数是任意组合料混合性能的细化值。所描述的方法和所发现的系数使得用现代数学模型对供油过程进行流体动力学计算和设计具有更高喷射参数的新型燃油系统成为可能。
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Calculation and correction of the fuel mixture elastic properties values
The paper substantiates the use of a simple and convenient Cole equation form of state making it possible to quickly and with sufficient accuracy determine density, compressibility coefficient and speed of sound of the fuel mixtures at high and ultrahigh injection pressures. A method is described for calculating these elastic properties of the fuel mixtures using the constants of the state equation selected in the form of expressions that determine dependence of the constants on the temperature. Expediency of introducing the universal correction factors is shown, which allows refining calculated values of the fuel mixture elastic properties. Processed experimental data from the literature sources and conducted studies formed the basis to obtain empirical coefficients to determine the correction factors that are refining values of the arbitrary composition mixture properties. The described method and the found coefficients make it possible to hydrodynamically calculate the fuel supply process using modern mathematical models and to design new fuel systems with the higher injection parameters.
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