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本文提出了一个预测液相制冷剂混合物导热系数的方程。这种预测方法仅需要已知混合物各组元的导热系数、分子量、摩尔成分等几种物性，就可预测混合物的导热系数．本预测方程形式简单，并通过与文献试验数据及其它预测方程比较，证明本预测方程的计算精度比其它方程较高，能够满足工程要求。
This paper presents an equation for predicting the thermal conductivity of a liquid-phase refrigerant mixture. This prediction method only needs to know the thermal conductivity, molecular weight, molar composition and other properties of each component of the mixture to predict the thermal conductivity of the mixture. The prediction equation is simple in form, and compared with the experimental data and other prediction equations, it is proved that the calculation accuracy of this prediction equation is higher than other equations and can meet the engineering requirements.