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对高负荷轴流式压气机弦向缝隙叶栅[1]提出了确定弦向缝隙位置的数学模型,并给出了弦向缝隙叶栅流场计算的方法,作为分析这种叶栅气动性能的基础。风洞吹风试验表明了该模型的正确性及弦向缝隙叶栅对轴流式压气机气动性能的改善。
A mathematical model for determining the chordwise slot position is proposed for the chordwise slotted cascade [1] of a highly loaded axial compressor, and the method for calculating the flow field of the chordwise slotted cascade is given as an example to analyze the aerodynamic performance of the cascade Foundation. The wind tunnel blowing test shows the correctness of the model and the improvement of the aerodynamic performance of the axial flow compressor by the chordwise gap cascades.