This curve shows that the maximum power output point is a selectable operation point, but the maximum efficiency point is a unacceptable operation point because it occurs at zero power output.

• 其次按照工程分析方法引入压气机和涡轮机效率，分析内部不可逆性对简单循环特性的影响。最后再分析传热不可逆性对实际回热式循环特性的影响。