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Energy efficiency for the transcritical compression CO 2 cycle with the use of the ejector as the first stage of the compression

Energy efficiency for the transcritical compression CO 2 cycle with the use of the ejector as the... Energy efficiency for the transcritical compression CO 2 cycle with the use of the ejector as the first stage of the compression An analysis of energy efficiency for transcritical compression unit with CO2 (R744) as the refrigerant has been carried out using empirical operating characteristics for the two-phase ejector. The first stage of the refrigerant compression is carried out in the ejector. The criterion adopted for the estimation of energy efficiency for the cycle is the coefficient of performance COP. The analysis is performed for the heat pump and refrigeration systems. The results of COP for the systems with the ejector has been compared with the COP L values for the single stage Linde cycle. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Thermodynamics de Gruyter

Energy efficiency for the transcritical compression CO 2 cycle with the use of the ejector as the first stage of the compression

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Publisher
de Gruyter
Copyright
Copyright © 2010 by the
ISSN
1231-0956
eISSN
2083-6023
DOI
10.2478/v10173-010-0028-3
Publisher site
See Article on Publisher Site

Abstract

Energy efficiency for the transcritical compression CO 2 cycle with the use of the ejector as the first stage of the compression An analysis of energy efficiency for transcritical compression unit with CO2 (R744) as the refrigerant has been carried out using empirical operating characteristics for the two-phase ejector. The first stage of the refrigerant compression is carried out in the ejector. The criterion adopted for the estimation of energy efficiency for the cycle is the coefficient of performance COP. The analysis is performed for the heat pump and refrigeration systems. The results of COP for the systems with the ejector has been compared with the COP L values for the single stage Linde cycle.

Journal

Archives of Thermodynamicsde Gruyter

Published: Oct 1, 2010

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