Research Article
Jul 1965
Critical Analysis of Open-Channel Resistance
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VIEW THE REPLYPublication: Journal of the Hydraulics Division
Volume 91, Issue 4
Abstract
Despite continued progress in the analysis of closed-conduit and boundary-layer resistance, many of the results have been slow to find their way into the hydraulics of open channels. In this paper an effort is made to take greater advantage of existing knowledge in related fields, largely through findings from a continuing program of research in which the writer has been engaged for several decades. The general resistance function is examined under the following interdependent categories: Effects of viscosity, roughness, and shape of cross section; effects of boundary nonuniformity; and effects of unsteadiness, particularly free-surface instability. Special attention is given to such matters as integration of the logarithmic velocity law, variation of roughness form and concentration, channel choking in the critical region, and resistance augmentation by both standing and traveling waves.
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Published In
Journal of the Hydraulics Division
Volume 91 • Issue 4 • July 1965
Pages: 1 - 23
Copyright
© 1965 American Society of Civil Engineers.
History
Published in print: Jul 1965
Published online: Feb 3, 2021
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Authors
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Hunter Rouse, F.ASCE
Dir., Inst. of Hydr. Research, Univ. of Iowa, Iowa City
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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.