The results indicate that passive control technique can reduce peak Mach number on the surface of the airfoil and reduce the adversepressure gradient, shock is also weakened.
结果表明,被动控制使得沿模型表面的马赫数峰值及过压力梯度明显减小,激波减弱。
2
It is shown that the "damping" effect mainly exists in the zone of 0.5d from the impingement wall, and there are positive as well as adversepressure gradient in the radial direction.
表明壁面的“阻尼”影响主要集中在近壁面0 . 5 D以内,在径向上流动既有顺压梯度,又有逆压梯度。
3
In zero pressure gradient flow, this local momentum loss is Minost an additive constant quantity. On the other hand, adversepressure gradient results in amplification of this momentum loss.