Theoretical model of laminar flow in tubes in rolling motion |
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Authors: | BH Yan L Yu |
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Institution: | Department of Nuclear Science and Engineering, Naval University of Engineering, No. 717, Jiefang Street, Wuhan 430033, China |
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Abstract: | The theoretical model of laminar flow in tubes in rolling motion is established. The velocity and temperature correlations are derived, and the frictional resistance coefficient and Nusselt number are also obtained. The oscillation of parameters is induced by the tangential force due to rolling motion. The effect of centrifugal and Coriolis forces on the flow is negligible. The tangential force does not effect on the average parameters. The oscillating amplitude of Nusselt number increase with the Prandtl number increasing. Both the oscillating amplitudes of frictional resistance coefficient and Nusselt number increase with the rolling frequency increasing. |
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Keywords: | Rolling Laminar flow Tube Frictional resistance coefficient Nusselt number |
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