变温热源内可逆中冷回热布雷顿循环功率密度分析  

Power density analysis of an endoreversible closed intercooled regenerated Brayton cycle coupled to variable-temperature heat reservoirs

作　　者：王俊华[1] 陈林根[1] 孙丰瑞[1] 

机构地区：[1]海军工程大学动力工程系

出　　处：《燃气轮机技术》2005年第3期44-49,共6页Gas Turbine Technology

基　　金：全国优秀博士学位论文作者专项资金资助项目(200136);国家重点基础研究发展规划资助(973)项目(G2000026301)

摘　　要：用有限时间热力学方法分析内可逆变温热源中冷回热布雷顿循环,导出了无因次功率密度的解析式,由数值计算给出了燃气轮机功率密度特性,分析了循环中各热力参数对功率密度的影响,并对最大功率工况与最大功率密度工况下的主要参数进行了比较,得出了最大功率密度设计的优点和不足。The theory of finite time thermedynamics is used in the analysis of an endoreversible closed intercooled regenerated Brayton cycle coupled to variable temperature heat reservoirs. The analytical formula about power density of the cycle is derived. The effects of thermodynamic parameters of the cycle on the power density are analyzed by numerical calculation. The advantages and disadvantages are obtained via the comparison of the main parameters of cycle at the maximum power and maximum power density points.

关 键 词：布雷顿循环 中冷回热 功率密度 

分 类 号：TK123[动力工程及工程热物理—工程热物理]