Dey, Subhasish (2003) Overfall in U-shaped channels Journal of Engineering Mechanics, 129 (3). pp. 358-362. ISSN 0733-9399
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Official URL: http://ascelibrary.org/emo/resource/1/jenmdt/v129/...
Related URL: http://dx.doi.org/10.1061/(ASCE)0733-9399
Abstract
Free overfall in U-shaped channels is theoretically analyzed, applying a momentum equation based on the Boussinesq approximation, to obtain the equation of end depth. The end-depth ratio is 0.75 up to normalized critical depth 0.50; and then it decreases gradually with an increase in normalized critical depth. A method to estimate discharge from the end depth is presented. The upstream flow profile of a free overfall is computed using the streamline curvature at the free surface. Experiments were conducted in two U-shaped channels to verify the model. The results obtained using the model agree satisfactorily with the experimental data.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Society of Civil Engineers. |
| Keywords: | Open Channels; One-dimensional Flow; Steady Flow |
| ID Code: | 79060 |
| Deposited On: | 24 Jan 2012 07:33 |
| Last Modified: | 24 Jan 2012 07:33 |
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