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Experimental study on the lubricant flow rate in a hermetic compressor for refrigerator.

Author(s) : SHEN H. B., ZHU D. S., QIN Z. H., et al.

Summary

This paper develops a test system to measure the lubricant flow rate discharged from the compressor. The influence factors of the lubricant flow rate in a hermetic reciprocating compressors using R-600a as refrigerant are studied upon this experimental system. When the clearance between suction tube outlet and suction muffler inlet in a compressor changes from 4 to 6 mm, the lubricant flow rate of the compressors increases slightly by about 1.2%; when the viscosity of the lubricant decreases from ISO 10 to ISO 7, the lubricant flow-rate of the compressors increases up to 51.7%; the lubricant flow rate is more than double in compressors with oil-suction capillary compared with compressors without oil-suction capillary, which results in the power consumption of the refrigerators equipped with such compressors increasing 2-3.5% under standard 24 hours performance test conditions.

Details

  • Original title: Experimental study on the lubricant flow rate in a hermetic compressor for refrigerator.
  • Record ID : 2008-2455
  • Languages: English
  • Source: Cryogenics and refrigeration. Proceedings of ICCR'2008.
  • Publication date: 2008/04/05

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