Based on groove and dimple technology,flow loss control of tubine with low Reynolds number was studied.For groove technology,three-dimensional large eddy simulation(LES) method was used to do analysis on control effect of groove position and Reynolds number,while control technology of dimple using experimental method.The results show:(1) both of increasing the perturbation amplitude or selecting appropriate disturbance frequency are given significant control effect;(2) two-dimensional span-wise groove proce...
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