Research Article
Aug 1979
Interfacial Stability in Channel Flow
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VIEW THE REPLYPublication: Journal of the Hydraulics Division
Volume 105, Issue 8
Abstract
Interfacial stability in the special case of superposed turbulent layers with a zero velocity difference at the interface was examined. In contrast with previous investigations in which the primary mechanism of turbulence generation was interfacial shear, the primary source of turbulence was bottom boundary shear. Interfacial stability was defined in terms of two dimensionless parameters: the Keulegan number and a Richardson number based on the shear velocity and the maximum change in density across the flow. Laboratory flume data and field data taken downstream of thermal power plants on several rivers confirmed the hypothesis.
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Published In
Journal of the Hydraulics Division
Volume 105 • Issue 8 • August 1979
Pages: 955 - 967
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© 1979 American Society of Civil Engineers.
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Published in print: Aug 1979
Published online: Feb 3, 2021
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Authors
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Richard H. French, AM.ASCE
Asst. Prof. of Hydr. & Water Resources Engrg., Environmental and Water Resources Engrg. Program, Vanderbilt Univ., Nashville, Tenn.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.