Optimization of the specific rate of refrigeration in combined refrigeration cycles
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.
Year of publication: |
1995
|
---|---|
Authors: | Chen, Lingen ; Sun, Fengrui ; Chen, Wenzhen |
Published in: |
Energy. - Elsevier, ISSN 0360-5442. - Vol. 20.1995, 10, p. 1049-1053
|
Publisher: |
Elsevier |
Saved in:
Online Resource
Saved in favorites
Similar items by person
-
Optimal performance of an endoreversible Carnot heat pump
Sun, Fengrui, (1997)
-
A novel analytical analysis of PEM fuel cell
Zhao, Yuansong, (2010)
-
Analysis of ΔT driven contact melting of phase change material around a horizontal cylinder
Chen, Wenzhen, (2008)
- More ...