Unsteady Turbulent Spiral Flows in a Circular Channel |
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| Authors: | S. A. Denisov V. I. Noskov A. N. Sukhanovskii P. G. Frik |
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| Affiliation: | (1) Institute of Thermomechanics ASCR, v.v.i, Prague, Czech Republic;(2) Department of Chemical and Biological Engineering, University of Sheffield, Sheffield, United Kingdom |
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| Abstract: | Turbulent spiral flows of water, developing in a rapidly rotating toroidal channel after abrupt braking, are investigated experimentally. The spiral flow structure is created by fixed-blade diverters located in the channel. The Reynolds number may be as high as 106. A simple model for describing the evolution of the longitudinal and azimuthal velocity components averaged over the channel section is proposed. |
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