具有热阻、热漏和内不可逆性的联合热机性能

The Performance of a Combined Heat Engine Featuring Heat Resistance,Heat Leak and Internal Irreversibility

建立一类存在热阻、热漏和内不可逆性的定常态流联合热机循环模型，并研究其性能优化，导出功率、效率优化关系，最大功率及其相应效率，和最大效率及其相应功率。

A steady flow combined heat engine cycle model involving heat resistance,heat leakage and internal irreversibility was set up and the performance optimization of the model studied.Derived are the optimization relation between power output and efficiency,the variation of maximum power output with its corresponding efficiency,as well as the variation of maximum efficiency with its corresponding power output.