在风力机叶片的叶尖上添置小翼,寻求动力放大机理,是非常重要的.本文利用CFD方法,对叶片表面及其附近的压力分布进行了数值模拟.通过对比风力机加V(8.8×8)型小翼和不加小翼时叶片的不同径向和弦向位置的压力变化,结合一定位置的等压截面图等分析,看出添置小翼扩大了叶片正负压力面的压差,找出最有影响的位置区域,为进一步揭示叶尖小翼对风力机动力放大的机理起到积极作用.
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