本文数值模拟了施加振荡射流以及相应定常吸气条件下的翼型分离流动.对振荡射流改善翼型升力的机理进行了研究.结果表明,翼型表面施加的振荡射流能够控制流动分离的形态,提高分离区流体的湍流度,增强分离区内部流体,以及与主流的动量和能量交换,增强近壁区流体的动能,降低翼型吸力面压力,而对压力面无显著影响,因而翼型的升力得到提高.
参考文献
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