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AN EXPERIMENTAL INVESTIGATION AND MODELLING OF THE THERMODYNAMIC PROPERTIES OF R245FA/COMPRESSOR OIL SOLUTIONS

机译:R245FA /压缩机油溶液热力学性质的实验研究与建模

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This paper reports experimental data for the solubility,density and capillary constant for solutions of refrigerant R245fa with polyester compressor oil Planetelf ACD 100FY over a wide range of temperatures and concentra- tions.The experimental data were obtained in the temperature range from 333 to 425 K and at pressures up to 33 bar.The enthalpy of liquid phase of the R245fa/Planetelf ACD 100FY solutions is calculated.The analysis of the behaviour of the excess thermodynamic functions is carried out.Information about the changing concentra- tion of refrigerant in the liquid phase of the ROS and in the surface layer of the liquid phase of the refrigerant/oil solutions(ROS)at increasing temperature is presented.In addition,the experimental data for the density,surface tension and refractive index of the commercial polyester compressor oil Planetelf ACD 100FY are reported.
机译:本文报告了制冷剂R245fa与聚酯压缩机油Planetelf ACD 100FY在较宽的温度和浓度范围内的溶液的溶解度,密度和毛细管常数的实验数据。在333至425 K的温度范围内获得了实验数据。在最高压力为33 bar的条件下,计算了R245fa / Planetelf ACD 100FY溶液的液相焓,并对过量热力学函数的行为进行了分析。有关液体中制冷剂浓度变化的信息给出了ROS的相和在升高温度下的制冷剂/油溶液(ROS)液相的表层。此外,商用聚酯压缩机油Planetelf的密度,表面张力和折射率的实验数据报告了ACD 100FY。

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