The most efficient heat engine cycle is the carnot cycle , consisting of two isothermal processes and two adiabatic processes 最有效的热力循环是卡诺循环,由两个等温过程和两个绝热过程。
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。
Any real engine cycle will result in more entropy given to the environment than was taken from it , leading to an overall net increase in entropy 任何真正的发动机循环,将导致更多的熵考虑到环境比取自它,从而导致整体净熵的增加。
It is not a practical engine cycle because the heat transfer into the engine in the isothermal process is too slow to be of practical value 它不是一个实际的发动机循环,因为传热进入发动机,在等温过程中,是速度太慢,具有实用价值。
The stirling engine cycle can also be used " in reverse " , to convert rotating motion into a temperature differential ( and thus provide refrigeration ) 史特灵引擎循环也是可以“反转”的,只要利用温度差异就可以反向旋转(并利用这个反应达到降温) 。