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Effect of blade bowing and local modification on high-turning angle compressor stator performance;

弯曲及局部修型对大折转角扩压叶栅性能的影响

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.

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。

To further discuss the application conditions of bowed blade in compressor, with incidence equal to zero and other boundary conditions unchanged, a computational investiga- tions on four series of linear stators with different aerofoil turning angles are achieve.

为了深入讨论压气机中弯叶片的适用条件,在0°迎角下,只改变几何折转角,共做了4套平面叶栅的数值分析,其结果表明大转角弯叶片的效果较为明显,比如在59。

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。

The experimental study of curved compressor cascades with large camber angles at different incidences shows that the curved compressor cascades establish obvious opposite "C" type pressure distribution along the blade height on the suction section, which helps move the low energy fluid from the two endwalls to the midspan.

实验研究了叶片正弯曲对某大折转角扇形扩压叶栅变冲角性能的影响。

To have a better understanding of how air injection slot position affect surface pressure and surface streamline, a detailed experimental investigation has been undertaken in a large camber angle compressor cascade with air injection slot.

对带有孔隙射流的某大折转角直扩压叶栅性能进行了实验研究,分析了不同位置孔隙射流对壁面静压及极限流线的影响。