Free overall in open channels: state-of-the-art review

Dey, S. (2002) Free overall in open channels: state-of-the-art review Flow Measurement and Instrumentation, 13 (5-6). pp. 247-264. ISSN 0955-5986

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Seventy years ago, Hunter Rouse observed that a free overfall in rectangular channels could be used as a simple flow measuring device that requires no calibration. Due to its practical importance, since then many investigators studied the free overfall in various channels. Although the laboratory experimental results are rather simple, the mathematical treatments of free overfall problems have been found to be deceptively complicated. This article presents a comprehensive state-of-the-art review of the important laboratory experimental and theoretical investigations on free overfall in various channels highlighting the hydraulic background and the mathematical treatment of the problem. In this review article, 120 references are included.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Flow Measurement; Free Overfall; End-depth; Brink Depth; Open Channel Flow; Free Surface Flow; One-dimensional Flow; Hydraulics
ID Code:79064
Deposited On:24 Jan 2012 07:31
Last Modified:24 Jan 2012 07:31

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