首页|Ecological optimization for an irreversible magnetic Ericsson refrigeration cycle

Ecological optimization for an irreversible magnetic Ericsson refrigeration cycle

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An irreversible Ericsson refrigeration cycle model is established,in which multi-irreversibilities such as finite-rate heat transfer,regenerative loss,heat leakage,and the efficiency of the regenerator are taken into account.Expressions for several important performance parameters,such as the cooling rate,coefficient of performance (COP),power input,exergy output rate,entropy generation rate,and ecological function are derived.The influences of the heat leakage and the time of the regenerative processes on the ecological performance of the refrigerator are analyzed.The optimal regions of the ecological function,cooling rate,and COP are determined and evaluated.Furthermore,some important parameter relations of the refrigerator are revealed and discussed in detail.The results obtained here have general significance and will be helpful in gaining a deep understanding of the magnetic Ericsson refrigeration cycle.

paramagnetic saltEricsson refrigeratorirreversibilityecological functionparameter relations

Wang Hao、Wu Guo-Xing

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Tianhua College, Shanghai Normal University, Shanghai 201815, China

Project supported by the Program for Excellent Young Teachers Foundation of Shanghai in China

the-20100036

2013

10.1088/1674-1056/22/8/087501

中国物理B(英文版)
中国物理学会和中国科学院物理研究所

中国物理B(英文版)

CSTPCDCSCDSCIEI
影响因子：0.995
ISSN：1674-1056
年,卷(期)：2013.22(8)
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