本文从理论上提出了计算不同结构的液体引射器特性及安装有引射器的回路强制循环流动特性的分析方法，随后使用实验方法对理论分析进行了验证，实验数据与理好计算结果符合良好，证实本文提出的分析方法正确、可靠，可应用于工程设计。 In this paper, the analytical method to calculate the characteristics of liquid ejectors with different structures and the forced circulation flow characteristics of ejectors equipped with ejectors has been put forward theoretically. The theoretical analysis has been verified with experimental methods. The experimental data are in good agreement with the calculated results Good, confirmed that the analysis method proposed in this paper is correct and reliable, can be applied to engineering design.