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Experimental study on the effect of oil circulation rate on the performance of reciprocating refrigeration compressor.

[In Chinese. / En chinois.]

Author(s) : WANG F., MI X., MU G., et al.

Type of article: Article

Summary

This paper studied the effect of oil circulation rate on the performance of reciprocating refrigeration compressor by means of experiments. In order to ensure the experiment accuracy, double oil separators were adopted in the testing system. In this way, the refrigerant was almost separated completely from the mixture of refrigerant and oil and entered again into the suction of the compressor. A model of Sanyo compressor was used to carry out a series of experiments. The results showed that the oil circulation rate was increased with the increase of the amount of oil infection, and the oil circulation rate had effects on the refrigerant capacity, power, COP and discharge temperature. The performance of compressor and discharge temperature was increased with the lower oil circulation rate and vice versa. Therefore, the proper quantity of oil should be injected into the compressor, where a good lubrication condition was formed, the reliability and performance of compressor were guaranteed and a better economy can be obtained.

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Pages: 33-38

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