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Synthetic refrigeration oils, humidity related difficulties and solutions.

Author(s) : FAHL J., SYNEK V.

Summary

A brief review of current refrigeration oil developments is presented. New lubricants used with polar refrigerants tend to absorb water. The ester hydrolysis process and the effect on the essential lubricant properties are described. The effect of increased water content on compressor performance is outlined and a test method to determine the hydrolytic stability of ester lubricants is presented. Polyglycol lubricants are also discussed. Possible system problems associated with the hygroscopic nature of these lubricants are outlined. Rechargeable container systems for filling compressors under exclusion of air, special oil dehydration techniques and innovative new lubricant developments are presented.

Details

  • Original title: Synthetic refrigeration oils, humidity related difficulties and solutions.
  • Record ID : 1997-0223
  • 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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