It was found that the ability of improving diffusion cascade performance was affected by some characteristics of the inlet boundary layer.
结果表明弯叶片对扩压叶栅的改善的能力受进口边界层的特征影响。
The experimental results show that the influence of clearance variation on flow structures and cascade performance is different at different working conditions.
试验结果表明，不同工况下间隙变化对流场结构的影响不同，因而对叶栅性能的影响规律也不同。
Through a numerical simulation investigated is the impact on the cascade performance of the curved height and curved angle in a curved diffuser cascade having different turning angles.
通过数值模拟研究不同折转角弯曲扩压叶栅中弯高、弯角对其气动性能影响，利用试验设计和遗传算法实施方案选择和优化设计，给出不同折转角下弯高、弯角最佳匹配范围。
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