等熵过程

本文根据等熵过程始态、终态熵相等的原则，提出了一个计算往复活塞压缩机等熵过程理论循环功的精确计算方法，应用该方法可以提高压缩机效率的计算精度。

Based on the principle that entropy do not change in isentropic process , this paper presents a precise method to calculate isentropic process periodic work of compressors , and advances the calculation precision of compressor efficiency .

利用3S程序计算得到的速度时间历史与实验结果吻合较好，数值模拟结果表明飞片内温升较低，磁驱动飞片过程基本上为准等熵过程。

We use program 3S to calculate the velocity history of flyer plates and is consistent to the experiment results . The numerical simulation results indicate that the temperature increasing is relatively low in flyer plates and the load is quasi-isentropic .

可见可逆绝热过程都是熵不变的过程，可以把这种过程叫做等熵过程。

It follows that every reversible adiabatic process is one of constant entropy , and may be described as isentropic .

在压比已知和初始焓的情况下，可以求等熵过程终点的焓和温度。

As can be seen from the above formula , s ( calculated ) is the function of temperature , however , s is the function of temperature and pressure ratio .

采用RKS状态方程计算实际气体等熵压缩过程的温度绝热指数和容积绝热指数。

The equation of state , RKS , is chosen to evaluate the isentropic temperature change exponent k T and isentropic volume change exponent k v of real gases in this paper .

冲击加载-准等熵加载过程的密度梯度飞片计算设计

Computational Design of Graded Density Impactors for Shock Loading and Quasi-Isentropic Compression

综合运用这些参数可以判断等熵压缩过程。

Quasic-isentropic compression can be judged with these parameters .

对涡旋膨胀机真实气体理想（等熵）膨胀过程进行了理论分析，提出了涡旋膨胀机真实气体设计压比的概念和计算方法，并进行了实验研究。

The concept of design compression ratio of real gas in a vortex expander and computational method are put forth . The corresponding experimental study has been done .

具有等熵压缩、膨胀过程的回热式布雷顿热泵循环有限时间热力学性能

Finite-Time Thermodynamic Performance Characteristics of Isentropic Closed-Regenerated Brayton Heat Pump Cycles