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根据现有的HFC152a/HCFC2 2的泡、露点实验数据 ,拟合出适用于计算其热力学性质的Peng Robinson方程的二元交相作用系数 ,并由此制作了混合工质HFC152a/HCFC2 2 (质量分数为85% /15% )的压焓图及饱和性质表 .在以温度和压力为基准的饱和性质表中 ,列出了温度在- 80℃～ 10 0℃、压力在 10kPa～ 3MPa之间 ,该混合工质的饱和热力性质 .图和表所示的热力性质包括温度、压力、比容、比焓、比熵、比火用、干度等 ,同时还提供了制作图表过程中物性的计算公式 ,为该混合工质的工业应用提供了重要的基础数据
Based on the existing experimental data of bubble and dew point of HFC152a / HCFC2 2, the binary cross-phase interaction coefficients of the Peng Robinson equation, which are suitable for calculating its thermodynamic properties, were fitted and a mixture of HFC152a / HCFC2 2 (mass The fraction of 85% / 15%) of the enthalpy and saturation table in the temperature and pressure-based table of the saturation properties, lists the temperature at - 80 ℃ ~ 100 ℃, the pressure of 10kPa ~ 3MPa , The saturated thermodynamic properties of the mixed working medium.The thermodynamic properties shown in the chart and table include temperature, pressure, specific volume, specific enthalpy, specific entropy, specific exergy, dryness, etc., as well as physical properties The calculation formula provides important basic data for the industrial application of the mixed working fluid