本文论述了沿叶片全长具有弦向割缝的轴流式压气机叶栅的研究成果,这一成果对于控制大弯度叶片附面层的分离乃是一种有效的措施.文中给出了利用有限元法预测叶栅流场的计算机程序,计算结果与测试数据吻合良好,其精确度令人满意.计算和试验表明,割缝叶栅的气流转折角比无割缝叶栅的气流转折角大5.8°左右,且叶栅性能得到改善. This paper discusses the research results of axial flow compressor cascades with chordal kerfs along the entire length of the blade, and this result is an effective measure to control the separation of large camber blade laminates. The finite element method is used to predict the flow field in the cascade. The calculated results are in good agreement with the experimental data and the accuracy is satisfactory. The calculation and the experiment show that the flow transition angle of the slotted cascade is better than the flow transition angle About 5.8 °, and the cascade performance has been improved.