为了接近卡诺效率，所涉及的过程，在热机循环必须可逆且涉及没有改变熵。
In order to approach the carnot efficiency the processes involved in the heat engine cycle must be reversible and involve no change in entropy.
应用数值方法，分析并讨论了热机在最大输出功率、最大效率和最大生态学函数下的优化循环性能特性。
By using numerical solution method, the optimal cycle performance characteristics of the engine at maximum power output, maximum efficiency and maximum ecological function are analyzed and discussed.
生态学优化以牺牲小部分输出功率为代价，较大地降低了循环的熵产率，而且在一定程度上提高了热机效率。
The optimization of the ecological function makes the entropy generation rate of cycle decrease greatly and the thermal efficiency increase with the cost of a little decreasing of the power output.
根据卡诺定理给出了热机的循环效率极大值问题。
Carnot's Theorem discusses the extreme value of the efficiency of heat engines' cycles.
以经典理想气体为工质的卡诺热机循环由两个等温和两个绝热过程构成，热机可逆时，它的效率为最大。
A cyclic thermodynamic heat engine, which combines adiabatic and isothermal processes and consists of classical ideal gas as working substance, runs most efficiently if it is reversible.
双工质平行-复合循环热机是一种较新的热机，它能达到高效率和高比功。
Dual working fluid parallel-compound cycle engine is a relatively new type of thermal engine which is characterized by a high efficiency and enhanced specific power.
双工质平行-复合循环热机是一种较新的热机，它能达到高效率和高比功。
Dual working fluid parallel-compound cycle engine is a relatively new type of thermal engine which is characterized by a high efficiency and enhanced specific power.
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