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Scroll compressor performance with oil injection-separation.

Author(s) : DROST R. T., DEBLOIS R. L.

Summary

Various amounts of oil were injected into the compression pockets of 2-kilowatt scroll compressor. The compressor performance, noise, and compression process characteristics were recorded during testing at both steady-state and transient operating conditions. The test results indicate that at low-pressure ratio conditions, leakage losses are governed by thermal effects. At mid-pressure ratio conditions, leakage losses are minimum and are related to the machining tolerances and local deformations, while at high-pressure ratio conditions, leakage is increased because of minute separations of the scrolls as result of significant back-flow during the discharge process. Overall, indications are that an optimum level of oil circulation exists that results in a significant increase in operating efficiency and decrease in radiated noise (both shown to be a strong function of operating pressure ratio).

Details

  • Original title: Scroll compressor performance with oil injection-separation.
  • Record ID : 1997-1417
  • Languages: English
  • Source: Proceedings of the 1996 International Compressor Engineering Conference at Purdue.
  • Publication date: 1996/07/23
  • Document available for consultation in the library of the IIR headquarters only.

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