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Flow separation should be controlled to improve performance for its adverseness in flow field. The separation flow in complex three-dimension viscous fluid with rotation effects in hydrodynamic coupling is analyzed. The method of drilling holes in turbine vane is employed to control flow separation in hydrodynamic coupling. The 3D flow field before and after drilling in turbine vanes is simulated...
The numerical solution of flow field in hydrodynamic coupling is calculated with three-dimensional flow numerical simulation method of computational fluid dynamics (CFD) and the typical flow field is analyzed. Based on the 3-D flow numerical solution, the original characteristic of hydrodynamic coupling is predicted. The result indicates that the prediction accuracy of characteristics which is based...
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