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本文以Burnett法为基础搭建了高精度压力-体积-温度-组分(PVTx)实验台,在温度为(253~313)K时,测定了质量分数为15%/85%和25%/75%混合制冷剂R1234yf/R32的PVT性质,获得了该混合制冷剂R1234yf/R32详实的热物性数据,并与Refprop9.0中相对应的数据做出比较,发现误差较小,实验数据可靠,为目前正在进行的制冷工质替代研究提供了重要的参考。
Based on the Burnett method, a high-precision pressure-volume-temperature-component (PVTx) experiment bench was set up and the mass fraction of 15% / 85% and 25% / 75 % Of the mixed refrigerant R1234yf / R32 PVT properties, obtained the mixed refrigerant R1234yf / R32 detailed thermophysical data and Refprop9.0 corresponding data to make a comparison and found that the error is small, reliable experimental data for the The ongoing study of refrigerant replacement provides an important reference.