在轴流压气机的顶部实施了微量喷气来抑制失速,喷气量为压气机流量的0.5‰.如此微量的喷气不足以通过稳态方式来改变流动结构,而是通过改变压气机的非定常边界的方法对系统的稳定性产生影响.实施微量喷气后压气机的稳态特性没有发生变化.实验比较了不同的喷射攻角的失速抑制效果并采用常规方法对相应的周向动态压力信号进行了分析.
参考文献
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