本文提出了判别流体热力学性质的通用对比方程的规则和选择作为通用对比方程的热力学参数对比变换的方法；具体给出了工质饱和液体焓和温度的合适对比变换式和通用对比方程。经检验，该通用方程的计算值与25种常用流体工质的推荐值的平均绝对偏差为0.5%，算术平均偏差为--0.04%。本文的理论纠正了传统的只用临界参数为对比值的片面认识，为建立在无通用对比方程而仅利用合适的参数变换，从一种已知物性物质推算另一种物质未知物性的一般方法和其它物性的通用对比方程奠定了基础。
This paper proposed the judgment rules of general corresponding-states equations andtransformation methods of reduced parameters for general corresponding-states equations.The general corresponding-states equation of specific enthalpy of saturated liquid wasobtained. This equation was checked against by standard data of 25 working fluids: theequation agrees with the available data with average deviation of--0.04% and averageabsolute deviation of 0.5%. The theory has modified the traditional opinion that the reducedproperties is only expressed as the functions of the critical properties, and will lay afoundation for establishing general corresponding-state equations of other thermodynamicproperties of working fluids.
参考文献
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