Power, efficiency, entropy-generation rate and ecological optimization for a class of generalized irreversible universal heat-engine cycles

被引:113
作者
Chen, Lingen [1 ]
Zhang, Wanli [1 ]
Sun, Fengrui [1 ]
机构
[1] Naval Univ Engn, Postgrad Sch, Wuhan 430033, Peoples R China
关键词
finite-time thermodynamics; generalized thermodynamic-optimization; heat resistance; heat leak; internal irreversibility; power; efficiency; entropy-generation rate; ecological function; PERFORMANCE ANALYSIS; TRANSFER LAW; THERMODYNAMICS; MINIMIZATION; CRITERION; PROPERTY; ENERGY; MODEL;
D O I
10.1016/j.apenergy.2006.09.004
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The optimal performance for a class of generalized irreversible universal steady-flow heat-engine cycle models, consisting of two heating branches, two cooling branches and two adiabatic branches, and with losses due to heat-resistance, heat leaks and internal irreversibility was analyzed using finite-time thermodynamics. The analytical formulae for power, efficiency, entropy-generation rate and an ecological criterion of the irreversible heat-engine cycle are derived. Moreover, analysis and optimization of the model were carried out in order to investigate the effect of the cycle process on the performance of the cycles. The results obtained include the performance characteristics of Diesel, Otto, Brayton, Atkinson, Dual and Miller cycles with the losses of heat-resistance, heat leak and internal irreversibility. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码:512 / 525
页数:14
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