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本文发展了二维压气机叶栅亚音、跨音流中粘性——无粘相互作用程序。无粘计算在弦向大扰动、弦法向小扰动的假设条件下用跨音松弛法求解;粘性附面层用Nash方法计算。考虑了叶栅尾迹的影响。最后,连同通道区和尾迹区一起,求得了包括冲波影响的叶栅的总损失系数。计算结果表明,在跨音情况下,粘性对冲波强度、位置以及全流场的速度分布都有不可忽视的影响。
In this paper, a two-dimensional compressor cascade subsonic, cross-flow viscous-viscous interaction program. The non-stick calculation is solved by the transonic relaxation method under the assumption of large chord-perturbation and chord-to-small perturbation. The viscous coating is calculated by the Nash method. Considered the effect of blade wake. Finally, together with the passage zone and the wake zone, the total loss factor of the cascade including the impact of the impulse is obtained. The calculated results show that in the case of transonic sound, the intensity and position of the viscous shock wave and the velocity distribution of the full flow field all have negligible effects.