一种校核蒸汽喷射泵运行参数的数值计算方法

A Kind of Numerical Computational Method to Check the Operating Parameters in the Steam Ejectors System

在一些假设条件下，提出了对被抽气体为混合气体、在Ｌａｖａｌ喷射管的扩压段存在激波、蒸汽或气体的绝热指数随温度、压强或干度的变化而变化的蒸汽喷射泵系统运行参数进行校核的数值计算方法。

According to the laws of the engineering thermodynamics and the gasdynamics of the fluid in the Lavals nozzle,and the works of the principle and the designing theory of steam ejector,a kind of numerical computational method is proposed with some hypotheses to check the operating parameters in the steam ejectors sytem when the inserted gas includs and kinds of gas,the shock wave exists in the diffuser of the Lavals nozzle,and the heat insulation exponent of the steam or the gas changes with the changing of temperature,pressure or dry degree.