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Twin screw oil-free wet compressor for compression-absorption cycle.

Author(s) : INFANTE FERREIRA C. A., ZAMFIRESCU C., ZAYTSEV D.

Type of article: Article, IJR article

Summary

The performance of a twin screw compressor operating under wet (two-phase) compression conditions in an ammonia-water compression absorption heat pump cycle is investigated both theoretically and experimentally. The paper reports on the influence of the location of liquid intake or, depending what applies, injection angle and mass flow rate of the injected liquid on compressor performance. Labyrinth seals separate the oil-free process side from oil lubricated bearing housing. Labyrinth seals leakage is modelled and its impact on performance is theoretically and experimentally investigated. The need for liquid injection from the discharge side to obtain acceptable performance is discussed based on experimental results.

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Pages: 556-565

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Details

  • Original title: Twin screw oil-free wet compressor for compression-absorption cycle.
  • Record ID : 2006-1696
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 29 - n. 4
  • Publication date: 2006/06

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