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Performances of the compressor refrigerating machines with two-phase ejectors.

Author(s) : SAREVSKI M., SAREVSKI V., SAREVSKA V.

Summary

A new concept of energy recovery in the compressor refrigerating machines is presented, in which two-phase ejector device is introduced. Energy recovery of the high pressure and high temperature liquid refrigerant is achieved in the two-phase ejector, and the energy is used for precompressing of the vapour refrigerant existing the evaporator, before the compressor. An analysis of the thermodynamic and gas dynamic parameters and performance characteristics of the ejector device, as well as innovated thermal system is realised using the calculating and optimizing procedures presented in the paper. The degree of improvement of the refrigerating machines efficiency depends on their design and operating conditions as well as on the thermodynamic properties of the refrigerant. The characteristics of the ammonia refrigerating cycle with two-phase ejector are analysed.

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Pages: 2005-2

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Details

  • Original title: Performances of the compressor refrigerating machines with two-phase ejectors.
  • Record ID : 2006-1171
  • Languages: English
  • Source: Ammonia Refrigerating Systems, Renewal and Improvement.
  • Publication date: 2005/05/06

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