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INTRODUCTIONThemotionoftheflowinarotatingcurvedpipeisafundamentalproblem ,whosesolutionhaspotentialapplicationsingasturbines ,elec tricgenerators ,electricmotorsandsomeequip mentsusedinseparationprocesses.Itisimpor tanttoknowtheflowstructurecharacteristic… 相似文献
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The low frequency oscillatory flow in a rotating curved pipe was studied by using the method of biparameter perturbation.
Perturbation solutions up to the second order were obtained and the effects of rotation on the low frequency oscillatory flow
were examined in detail. The results indicated that there exists evident difference between the low frequency oscillatory
flow in a rotating curved pipe and in a curved pipe without rotation. During a period, four secondary vortexes may exist on
the circular cross-section and the distribution of axial velocity and wall shear stress are related to the ratio of the Coriolis
force to centrifugal force and the axial pressure gradient.
Project (No: 10272096) supported by the National Natural Science Fundation of China 相似文献
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