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Spatially varied flow in non-prismatic channels. II: numerical solution and experimental verification

✍ Scribed by S. Kouchakzadeh; M. K. Kholghi; A. R. Vatankhah Mohammad-Abadi

Publisher: John Wiley and Sons
Year: 2002
Tongue: English
Weight: 188 KB
Volume: 51
Category: Article
ISSN: 1531-0353
DOI: 10.1002/ird.37

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✦ Synopsis

Abstract

A new governing equation was proposed for the spatially varied flows with increasing discharge, which affects the position and the depth of the control section as well as the entire water surface profile within the channel. This paper presents the use of the Newton‐Raphson method in the solution process. The results of the computational model were compared with experimental data and with the output of the traditional equation. It was indicated that because of incorporating the expansion factor of the non‐prismatic channels, the proposed equation is able to represent the experimental data very well and hence is superior to the traditional equation for design purposes. Copyright © 2002 John Wiley & Sons, Ltd.

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Spatially varied flow in non-prismatic channels. I: dynamic equation

✍ S. Kouchakzadeh; A. R. Vatankhah Mohammad-Abadi 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 123 KB

## Abstract The bottom width of channels carrying spatially varied flow with increasing discharge is usually flared in the flow direction. This produces a non‐prismatic section. This paper, based on the law of linear momentum conservation, presents a new form of the governing dynamic equation for f