End Discharge Relationship for Free Overfall Affected by Upstream Bed Roughness and Slope
Journal Title: American Journal of Engineering and Applied Sciences - Year 2017, Vol 10, Issue 2
Abstract
Abstract The experimental program of this paper was restricted to free vertical drop structure at the end of the rectangular channel. The roughness and slope of the bed of approach channel are the aim of this study to show their effects on End Depth Ratio (EDR). Three different roughness from smooth (n = 0.009) to rough (n = 0.019) with four-bed slopes from horizontal (So = 0) to So = 0.01 were adopted with total 72 runs. The analysis of experimental data was focused on the variation of EDR as a roughness and/or bed slope changed. Also, the design formulas have been derived statistically for numerous practical situations and recommended to be used as predictive equations for both EDR and discharge. Copyright © 2017 Jaafar S. Maatooq. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Authors and Affiliations
Jaafar S. Maatooq
Keywords
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- DOI 10.3844/ajeassp.2017.603.610
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