Research Article
Nov 1967
Variation of α and β Values in a Lined Open Channel
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VIEW THE REPLYAuthors: J. Watts, AM.ASCE, Daryl B. Simons, M.ASCE, and Everett V. Richardson, M.ASCEAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 93, Issue 6
Abstract
A study of the variation in magnitude of the energy coefficient, α, and the momentum coefficient, β, was conducted for subcritical open-channel flow in concrete-lined trapezoidal canals containing horizontal curves. The Manning's n was 0.013 for reaches without bends; values of α and β were found to be smaller than values proposed in current literature, and there was only small variation of α and β values with stage, channel geometry, position, and radius of curvature. For all cross sections analyzed, the energy and momentum coefficients may be considered constant with values of 1.04 and 1.02, respectively.
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Published In
Journal of the Hydraulics Division
Volume 93 • Issue 6 • November 1967
Pages: 217 - 234
Copyright
© 1967 American Society of Civil Engineers.
History
Published in print: Nov 1967
Published online: Feb 3, 2021
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J. Watts, AM.ASCE
Graduate Research Asst., Colorado State Univ., Fort Collins, Colo
Daryl B. Simons, M.ASCE
Assoc. Dean for Research, and Prof. of Civ. Engrg., Colorado State Univ., Fort Collins, Colo
Everett V. Richardson, M.ASCE
Research Hydr. Engr., U.S. Geological Survey, Fort Collins, Colo
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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.