Theoretical and Experimental Study of Lubricant Influence on Performance of Refrigeration Compressors

doi:10.3969/j.issn.0253-4339.2005.02.004

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Theoretical and Experimental Study of Lubricant Influence on Performance of Refrigeration Compressors

更新时间：2025-02-26

- Theoretical and Experimental Study of Lubricant Influence on Performance of Refrigeration Compressors
- Journal of Refrigeration Issue 2, (2005)
- 作者机构：
  
  西安交通大学流体机械与压缩机国家工程中心,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0253-4339.2005.02.004
  CLC：
- Published：2005
- 稿件说明：
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Theoretical and Experimental Study of Lubricant Influence on Performance of Refrigeration Compressors[J]. Journal of refrigeration, 2005, (2).
DOI：

Theoretical and Experimental Study of Lubricant Influence on Performance of Refrigeration Compressors[J]. Journal of refrigeration, 2005, (2). DOI： 10.3969/j.issn.0253-4339.2005.02.004.

摘要

为研究制冷系统含油量对制冷压缩机工作性能的影响，建立了汽车空调用涡旋式压缩机工作过程数学模型，对压缩过程进行了计算模拟。并在汽车空调压缩机性能测试台上，进行了变含油量、变转速和变工况实验，得到了流入压缩腔内的润滑油量与压缩机容积效率、压缩功率损失、排气温度、制冷量和COP的关系曲线。研究结果表明：理论计算结果和实验结果符合较好；压缩腔内油气质量百分比为7％～9％时，压缩机工作性能较为理想。

Abstract

A reasonable mathematical model describing the working processes of scroll compressors was presented to analyze the influence of lubricating oil content on compressors performance. The relation curves of oil content to the volumetric efficiency

input power

discharge temperature

refrigerating output

and COP were obtained. Moreover

to verify the computing results

experiments under the conditions of various speeds

various oil contents

and various working conditions were performed at a test rig for automobile scroll compressors. The results show that the best oil content is 7%-9%.

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