本文对模型周围的侧壁附面层抽吸，研究跨音速二元风洞的侧壁干扰。
This paper presents an investigation on the side wall effect in two -dimensional transonic wind tunnel with sidewall boundary layer suction around the model.
结果表明：对于大分离叶栅，在靠近吸力面的端壁上进行附面层抽吸可以获得最佳效果。
The result showed that for the cascade with larger separation, perfect effects can be obtained by applying boundary layer suction on the end-wall near suction surface.
针对某大折转角子午扩张型导叶，通过数值模拟，讨论了端壁附面层抽吸对叶栅性能的影响。
By using of numerical simulation, the effect of applying boundary layer suction on end-wall to the aerodynamic performance for a van with a high-turning Angle and meridional divergence was discussed.
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