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Experimental study of hydrocarbon mixtures to replace HFC-134a in a domestic refrigerator

机译:家用冰箱中碳氢化合物混合物替代HFC-134a的实验研究

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摘要

This work presents an experimental study on the application of hydrocarbon mixtures to replace HFC-134a in a domestic refrigerator. The hydrocarbons investigated are propane (R290), butane (R600) and isobutane (R600a). A refrigerator designed to work with HFC-134a with a gross capacity of 239 1 is used in the experiment. The consumed energy, compressor power and refrigerant temperature and pressure at the inlet and outlet of the compressor are recorded and analysed as well as the distributions of temperature at various positions in the refrigerator. The refrigerant mixtures used are divided into three groups: the mixture of three hydrocarbons, the mixture of two hydrocarbons and the mixture of two hydrocarbons and HFC-134a. The experiments are conducted with the refrigerants under the same no load condition at a surrounding temperature of 25℃. The results show that propane/butane 60%/40% is the most appropriate alternative refrigerant to HFC-134a.
机译:这项工作提出了一项关于碳氢化合物混合物代替家用冰箱中的HFC-134a的实验研究。研究的烃为丙烷(R290),丁烷(R600)和异丁烷(R600a)。实验中使用了设计用于总容量为239 1的HFC-134a的冰箱。记录和分析压缩机进口和出口处的能耗,压缩机功率以及制冷剂温度和压力,以及冰箱中各个位置的温度分布。所使用的制冷剂混合物分为三类:三种烃的混合物,两种烃的混合物以及两种烃的混合物和HFC-134a。实验是在相同的空载条件下,在25℃的环境温度下进行的。结果表明,丙烷/丁烷60%/ 40%是HFC-134a的最合适替代制冷剂。

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