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Analogy between turbulent flows in curved pipes and orthogonally rotating pipes

Published online by Cambridge University Press:  26 April 2006

Hiroshi Ishigaki
Hiroshi Ishigaki
Affiliation:
Kakuda Research Center, National Aerospace Laboratory, Kakuda, Miyagi, Japan
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Abstract

A quantitative analogy between fully developed turbulent flows in curved pipes and orthogonally rotating pipes will be described through similarity arguments, the use of experimental data and computational results. A pair of similarity parameters will be derived for each turbulent flow, so that they have the same dynamical meaning as those of laminar flows. When the second parameter for each flow is large enough, it will be shown that friction factors, as well as heat transfer rates, of the two flows coincide for equal values of the fundamental parameters. Computed contours of velocity and temperature will also reveal strong similarities between the two flows.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 307 , 25 January 1996 , pp. 1 - 10
Copyright
© 1996 Cambridge University Press

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