拦污栅包括拦污栅栅叶和拦污栅槽两部分，栅叶是由栅面和支承框架组成；
The trash rack contains trash rack bar and trash rack groove; the bar is composed with grid surface and support frame;
气流进入叶栅槽道后，在叶栅型面作用下，气流发生偏移，空气中的沙尘在贯性力作用下被收集在型槽中。
Air flow is offset under actions of the blade-lattice surfaces after entering the blade-lattice air passages, and dust in air can be collected in the grooves under actions of inertia force.
作者经过计算和分析，说明压气机叶栅流中主要的相互作用形式是叶栅槽道中激波和湍流附面层的相互作用。
It is shown by calculation and analysis that the main form of the interaction in compressor cascades is the interaction between shock wave and turbulent boundary layer in channels.
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