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本文研究高温喷射器的近似理论计算问题;建立了常温气流及高温气流的两股流体的动量方程和能量方程。根据优化条件决定最佳面积比和混合室的压力值以及采用渐近法得到混合室的温度及引射系数。并讨论了喷射器端口阻力特性对喷射器性能的影响
In this paper, the approximate theoretical calculation of high temperature ejector is studied. The momentum and energy equations of two fluids at normal temperature and high temperature are established. According to the optimization conditions, the optimal area ratio and the pressure in the mixing chamber are determined. The asymptotic temperature and ejection coefficient of the mixing chamber are obtained. The effect of injector port resistance on injector performance is also discussed