【摘要】 R4 0 7C是替代R2 2的一种极具前景的新工质 ,采用Peng -Robinson型方程对新工质R4 0 7C的热力学性质进行了全面的计算 ,并根据实验数据拟合出新工质的迁移特性计算公式。根据计算结果给出了新工质R4 0 7C的压焓图和温—熵图。计算关联式具有较高的精度 ,热力学参数计算误差小于 1% ,迁移特性参数误差小于 4 %。本文的研究结果为新工质R4 0 7C的系统分析和计算提供了准确、可靠的热力学性质和热物理性质分析计算结果。更多还原

【Abstract】 R407C is considered to be the most likely alternative refrigerant for HCFC22,the paper established the calculation models of thermodynamic properties,and gave out the correlation equations of transport properties for R407C.The diagrams and table lists of the thermophysical properties for R407C are given based on the calculation results.The calculation shows a high accuracy while the error is low than 1% in thermodynamic properties and 4% in thermophysical properties.Those models provide a reliable and accurate theoretical basis to the analysis and computing for the new systemusing R407C fluid.更多还原