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[摘要]
为了开发一种水力性能良好的水平轴潮流能水轮机, 以Fluent 软件为平台, 利用CFD 技术, 对潮流能水轮机 进行三维湍流数值模拟: 利用三种具有不同特征翼型形成两种类型共8 种不同叶片, 对这8 种叶片形成的水轮机流 场进行三维数值模拟计算。模拟结果发现, 水轮机叶片叶尖采用对称翼型及叶根采用弯度较大翼型能够获得较好 的水力性能。最优方案水轮机内部流场流态良好, 符合设计要求。
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[Abstract]
In or der t o dev elo p a hor izo ntal ax is tidal cur rent energ y tur bine w ith hig h hydraulic perfo rmance, thr ee2dimensional numerical simulatio n w as applied to simulate the tidal cur rent energ y turbines using CFD technolog y with FLUENT as the plat2 fo rm. Three different air foil shapes w ere used t o form a total o f eig ht blades of two ty pes, and the flow fields of the turbine pro2 duced by the eight blades were simulated. The results show ed that the tur bine w ith the symmetrical airfo il in the tip o f blade and lar ge2camber air foil in the roo t of blade has bett er hydr aulic perfo rmance. The flow pattern o f the optimal tur bine is g ood and can meet the desig n r equir ements.
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