Experimental Study on Miscibility of R134a/R600a Refrigerant and Mineral Oil Mixture

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Experimental Study on Miscibility of R134a/R600a Refrigerant and Mineral Oil Mixture

更新时间：2025-07-09

- Experimental Study on Miscibility of R134a/R600a Refrigerant and Mineral Oil Mixture
- Vol. 43, Issue 9, Pages: 5-8+85(2009)
- 作者机构：
  
  西安交通大学能源与动力工程学院,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK121
- Online First：10 September 2009，
  
  Published：2009
- 稿件说明：
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Experimental Study on Miscibility of R134a/R600a Refrigerant and Mineral Oil Mixture[J]. 2009, 43(9): 5-8+85.
DOI：

Experimental Study on Miscibility of R134a/R600a Refrigerant and Mineral Oil Mixture[J]. 2009, 43(9): 5-8+85. DOI：

摘要

对混合制冷剂R134a/R600a与矿物油组成的混合物

在气-液相平衡时的温度和压力进行了测量. 在R600a的质量分数为8.7%～28.6%的范围内

对R134a/R600a组成的混合制冷剂与矿物油的互溶性进行了实验研究

得到了当矿物油与制冷剂完全溶解时

混合制冷剂/油的饱和温度-压力曲线.实验结果表明:矿物油在混合制冷剂中的溶解度只与它和R600a的质量比有关.随着矿物油与R600a质量比的增加

临界互溶温度逐渐上升; 与无矿物油的混合制冷剂相比

矿物油与混合制冷剂互溶后

其饱和压力有所下降.

Abstract

The saturated pressure of the mixture of R134a/R600a refrigerant and a kind of mineral oil were measured in a wide range of temperature. The experiment was conducted on the miscibility of the mixture of R134a/R600a refrigerant with a mass fraction of R600a from 8.7% to 28.6% and the mineral oil. The relation of the saturated pressure and temperature was obtained when the refrigerant and the mineral oil were fully miscible. The results show that the solubility of the mineral oil in the refrigerant depends only on the mass ratio of the mineral oil to R600a. The critical miscibility temperature rises with the increase in the mass ratio of the mineral oil to R600a

and the saturation pressure of the mixture decreases compared with that of a mixture without the mineral oil.

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references

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