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Lubricating the future of refrigeration: CO2. Effective lubrication of carbon dioxide refrigeration systems.

Author(s) : ROGERS R.

Summary

The lubrication of refrigeration compressors occupies a special position in lubricant technology. The longevity and efficiency expected of refrigeration compressors, is directly influenced by the quality of refrigeration oil used. In lubricating compressors cooled by CO2 this point is even more prevalent. The principal function of a compressor oil is to lubricate and seal the pistons or rotor, and in some cases, the slip ring seals. Furthermore, the refrigeration oil must dissipate heat away from hot compressor components and assist in sealing the compression chambers and valves. When lubricating compressors cooled by CO2, solubility with gas, high thermal stability, lubricating under high pressures and inherently low water content are unique and specific demands placed on the refrigeration oils used. Without taking all of these criteria into consideration, incorrect lubricant selection will drastically reduce efficiency of assets and minimise asset life. This paper will set out to address which are the most suitable lubricants and identify the reasons why.

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Pages: 2010-1

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Details

  • Original title: Lubricating the future of refrigeration: CO2. Effective lubrication of carbon dioxide refrigeration systems.
  • Record ID : 2010-0409
  • Languages: English
  • Source: 1st IIR International Conference on Sustainability and the Cold Chain
  • Publication date: 2010/03/29

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