Research Article
Sep 1970
Linear-Momentum Flux to Overbank Sections
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VIEW THE REPLYPublication: Journal of the Hydraulics Division
Volume 96, Issue 9
Abstract
On the basis of experiments in two joined rectangular channels, transfer of linear momentum from the major (less restricted) channel to the minor (more restricted) channel has been demonstrated. The apparent-shear stress on the junction surface was found to be of the same order of magnitude as the boundary-shear stress in the major channel. Based upon this observation, a method for engineering calculations for mean-flow characteristics in joined channels such as a river at flood stage is proposed. The steps in the proposed separate-channel method of analysis are: (1) considering the major-channel boundary including the junction plane as a solid boundary, compute the mean boundary-shear stress on the major-channel boundary; (2) compute the apparent-shear force on the junction surface using the mean boundary-shear stress of the major channel; and (3) incorporate the apparent-shear force on the junction surface as a propulsive force on the minor-channel flow.
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Published In
Journal of the Hydraulics Division
Volume 96 • Issue 9 • September 1970
Pages: 1781 - 1793
Copyright
© 1970 American Society of Civil Engineers.
History
Published in print: Sep 1970
Published online: Feb 3, 2021
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Authors
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Robert R. Wright, M.ASCE
Chairman of the Water Div., Water and Wastewater Tech. Sch., Neosho, M. O
Marion R. Carstens, M.ASCE
Prof., Georgia Inst. of Technol., Atlanta, G. A
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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.