Research Article
May 1973
Rainfall Effect on Sheet Flow over Smooth Surface
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VIEW THE REPLYAuthors: Hsieh W. Shen, M.ASCE, and Ruh-Ming LiAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 99, Issue 5
Abstract
The variation of friction factor for different flows and rainfall conditions is established by statistical analysis. Boundary shear stress was directly measured by hot-film anemometry. The friction factor is found to be a function of both the flow Reynolds number, R, and the rainfall intensity, I, for a flow Reynolds number of less than 900. For a flow Reynolds number greater than 2,000, the friction factor is only a function of Reynolds number. A numerical model and a simplified procedure to predict the water surface profiles and boundary shear stresses for sheet flow with rainfall are presented. The computations of flow depths and boundary shear stresses are not too sensitive to the effect of uncertainties in selecting friction factor.
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Published In
Journal of the Hydraulics Division
Volume 99 • Issue 5 • May 1973
Pages: 771 - 792
Copyright
© 1973 American Society of Civil Engineers.
History
Published in print: May 1973
Published online: Feb 3, 2021
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Hsieh W. Shen, M.ASCE
Prof. of Civ. Engrg., Dept. of Civ. Engrg., Colorado State Univ., Fort Collins, Colo
Ruh-Ming Li
Grad. Student, Dept. of Civ. Engrg., Colorado State Univ., 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.