End depth in U-shaped channels: a simplified approach

Dey, Subhasish (2005) End depth in U-shaped channels: a simplified approach Journal of Hydraulic Engineering, 131 (6). pp. 513-516. ISSN 0733-9429

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Official URL: http://ascelibrary.org/hyo/resource/1/jhend8/v131/...

Related URL: http://dx.doi.org/10.1061/(ASCE)0733-9429


This study presents a simplified approach to determine the end depth of a free overfall in horizontal U-shaped channels. The flow over the free overfall is simulated by that over a sharp-crested weir to calculate the end-depth ratio (EDR). The theoretical model is calibrated by the experimental data by considering the coefficient of velocity a free parameter. The EDR is 0.745 up to nondimensional critical depth 0.50; and then it decreases gradually as the nondimensional critical depth increases. A method to estimate discharge from the end depth is presented. The results obtained using the model agree satisfactorily with the experimental data and results obtained from the previous model of the author.

Item Type:Article
Source:Copyright of this article belongs to American Society of Civil Engineers.
Keywords:Open Channels; One-dimensional Flow; Steady Flow; Subcritical Flow
ID Code:79050
Deposited On:24 Jan 2012 07:34
Last Modified:24 Jan 2012 07:34

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