热声制冷机微热力学循环的[火用]经济性能优化  

Finite time exergoeconomic performance of a thermoacoustic refrigeration micro-cycle

作　　者：阚绪献[1,2] 吴锋[1,2] 

机构地区：[1]海军工程大学研究生院,武汉430033 [2]武汉工程大学理学院,武汉430073

出　　处：《低温与超导》2008年第10期1-4,29,共5页Cryogenics and Superconductivity

基　　金：国家自然科学基金(50676068);湖北省教育厅重点项目(D200615002)资助

摘　　要：用有限时间热力学方法分析存在传热损失时,热声制冷机微热力学循环模型的火用经济性能,导出循环利润率与工质振荡温度,以及利润率与制冷系数的特性关系,并数值分析了价格比、横向温度梯度等参数对火用经济性能的影响。The exergoeconomic performance of the thermoacoustic referigeration micro -cycle model which only was accounted for the heat resistance between the working gas and the plates had been analyzed using finite time thermodynamics. The analyrical formulae about the relations between the profit rate and the oscillating temperature, as well as between the profit and the COP were derived. The influences of the portrait temperature difference and the price ratio on the exergoeconomic performance are investigated by numerical examples.

关 键 词：热声制冷机 微热力学循环 [火用]经济性能 有限时间热力学 

分 类 号：TK123[动力工程及工程热物理—工程热物理] O414.1[动力工程及工程热物理—热能工程]