Optimization of the specific rate of refrigeration in combined refrigeration cycles

Lingen Chen, Fengrui Sun and Wenzhen Chen

Energy, 1995, vol. 20, issue 10, 1049-1053

Abstract: The optimization problem of a combined refrigeration cycle formed by two endoreversible Carnot refrigeration cycles in series without intermediate reservoirs has been studied using finite-time thermodynamics. The fundamental relation between cooling quantity and coefficient of performance (COP) of the combined cycle is derived for a general physical model of a combined cycle. Relations are derived between the SROR (=optimal specific rate of refrigeration, i.e. the average rate of refrigeration per unit of total heat-transfer surface area) and the COP for a piston-type, stable flow model of combined cycles. Our results may be extended to an endoreversible, combined refrigeration cycle formed by more than two endoreversible Carnot refrigeration cycles.

Date: 1995
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:20:y:1995:i:10:p:1049-1053

DOI: 10.1016/0360-5442(95)00051-H

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