In Chapter 2, we propose a finite-time thermodynamics model for a Diesel heat engine cycle.

第二章建立狄塞尔热机循环的有限时间热力学模型。

youdao

In order to approach the carnot efficiency the processes involved in the heat engine cycle must be reversible and involve no change in entropy.

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。

youdao

Two internal irreversibility parameters, the heat engine cycle and the refrigerator cycle were introduced to characterize the irreversibility inside the cycle.

引入两个内不可逆性参数，分别用于描述热机循环的内不可逆性和制冷循环的内不可逆性。

youdao

It expands. You change your constraints on your system, you heat it up some more, then you take the heat source away, and you put it back in contact with the atmosphere. And you cool it a little bit, change the constraints, cool it a little bit more, and heat, and you've got a closed cycle engine.

让它与大气接触冷却,改变约束，使它继续冷却，然后又再次加热,这就是循环热机，我们以前也研究过，更复杂的机器。

麻省理工公开课 - 热力学与动力学课程节选

So the way I've got things written here, q1 Heat's flowing from the hot reservoir to the engine that runs in a cycle.

我把这些都这些这里，是正的，q1，is，positive,热从高温的热源,传到循环工作的热机，对外做功。

麻省理工公开课 - 热力学与动力学课程节选