考虑传热效应的回热式空气热泵循环性能分析

Journal of Applied Sciences ›› 1998, Vol. 16 ›› Issue (4): 463-468.

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Performance Analysis for a Regenerated Air Heat Pump Cycle with the Consideration of Heat Transfer Effect

CHEN LINGEN, NI NING, LIU JIUQI, SUN FENGRUI, GONG JIANZHENG

Faculty 306, Naval Academy of Engineering, Wuhan 430033

Received:1997-01-02 Revised:1997-04-17 Online:1998-12-31 Published:1998-12-31

Abstract

Abstract: Performance analysis of a real heat pump is carried out using the methods of finite time thermodynamics. Accounting to the irreversibilities of heat resistances in the hotand cold-side heat exchangers and the regenerator and the irreversible compression and expansion losses in the compressor and expander, this paper derives the analyticalrelation between heating load, COP and the pressure ratio for an irreversible closed regenerated air heat pump coupled to variabl temperature heat reservoirs. Detailed numerical examples are given also.

Key words: finit time thermodynamics, regenerated cycle, optimization, Brayton heat pumpcycle

CHEN LINGEN, NI NING, LIU JIUQI, SUN FENGRUI, GONG JIANZHENG. Performance Analysis for a Regenerated Air Heat Pump Cycle with the Consideration of Heat Transfer Effect[J]. Journal of Applied Sciences, 1998, 16(4): 463-468.

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Performance Analysis for a Regenerated Air Heat Pump Cycle with the Consideration of Heat Transfer Effect

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