一种热漏损失对斯特林热机优化性能的影响  

The Influence of Heat Leak by Generalized Heat Transfer Laws on Optimal Performance of a Class Stirling Heat Engine

作　　者：杨惠山[1] 

机构地区：[1]泉州师范学院物理系,福建泉州362000

出　　处：《泉州师范学院学报》2003年第2期23-27,共5页Journal of Quanzhou Normal University

基　　金：福建省教育厅B类基金 (JB0 2 184);泉州市科委基金资助项目 (Z2 0 0 10 10 )

摘　　要：应用有限时间热力学理论 ,建立一类较普遍的不可逆斯特林热机模型 ,研究存在热阻、热漏、回热损失斯特林热机的优化性能 ,导出了热漏损失服从一般传热规律时热机的功率与效率间的优化关系 ,讨论了不同情况下热漏和回热损失对热机性能的影响 ,从而可为二热源热机的研制和优化设计提供新的理论指导 .In this paper, the model of a class generalized irreversible Stirling heat engine is set up, we report a study on the optimal performance of an irreversible Stirling heat engine with thermal resistance, heat leak and regenerative loss using finite time thermodynamics. The optimal relation between the power and efficiency under heat leak by general heat transfer law is derived. The effect of heat leak and regenerative loss with various value on performance of heat engine is discussed.The conclusions obtained here may provide the observed performance of a real heat engine and some new theoretical guidance for the manufacture and the optimal design of two heat source engines.

关 键 词：斯特林热机 优化性能 有限时间热力学 热阻 热漏损失 回热损失 传热规律 

分 类 号：TK123[动力工程及工程热物理—工程热物理]