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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Friday 13 December 2019

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Dimensioning the shaped trapezoidal and rectangular open channels


[ Dimensionnement des canaux à surface libre de forme trapézoïdale et rectangulaire ]

Volume 12, Issue 2, July 2015, Pages 306–311

 Dimensioning the shaped trapezoidal and rectangular open channels

Lamri Ahmed Amine1

1 Départment of civil engineering and hydraulic, University of Mohamed khaydar Biskra, Biskra, Algeria

Original language: French

Received 17 April 2015

Copyright © 2015 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


This work has been interested in the uniform flow in a trapezoidal shaped channel that is frequently used in irrigation and agricultural drainage. The channel dimensioning necessitates iterations for calculate the friction factor which gives us a major error. We base on the method of rough reference model we calculate the linear dimension of the channel is passing through stages of calculations. The formulas founded are direct and explicit. The steps of calculations are simplified and illustrated by an example of calculation.

Author Keywords: Turbulent flow, uniform flow, discharge, explicit solution, energy slope.


Abstract: (french)


Ce travail est intéressé en écoulement uniforme dans un canal de forme trapézoïdale fréquemment utilisé dans l'irrigation et le drainage agricole. Le dimensionnement du canal nécessite des itérations pour le calcul du coefficient de frottement qui nous donne un grand écart d'erreur. En se basant sur la méthode du modèle rugueux de référence en calcul la dimension linéaire du canal passant par des étapes de calcul. Les formules trouvées sont directes et explicites. Les étapes de calcul sont simplifiées et illustré par un exemple de calcul.

Author Keywords: écoulement turbulent, écoulement uniforme, débit, solution explicite, pente longitudinale.


How to Cite this Article


Lamri Ahmed Amine, “Dimensioning the shaped trapezoidal and rectangular open channels,” International Journal of Innovation and Applied Studies, vol. 12, no. 2, pp. 306–311, July 2015.