JFAS_Vol 11 N 02

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Browsing JFAS_Vol 11 N 02 by Author "Achour, B"

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    COMPUTATION CHEZY’S COEFFICIENT IN A SEMI-ELLIPTICAL PIPE
    (university of eloued -جامعة الوادي, 2019-05-01) Beboukha, Y; Lakehal, M; Remaoun, M; Remaoun, M; Achour, B
    In the hydraulic field, the Chezy’sflow resistance coefficientin canals and pipes is often chosen arbitrarily. This value is tabulated independently of the depth of the flow or hydraulic radius and even less of the Reynolds number. This coefficient is usually influenced by a number of parameters that mustbedefinedand considered. The objective of this study is to examine, on the one hand, the variation of the Chezy’sflow resistance coefficient for a semi-ellipticalpipe under the hypothesis of an uniform flow with free surface, and to determine on the other hand, the expressions which govern them. Further, it must search expression forChezy’swith consideration of the geometric characteristics of the pipe and hydraulic flow. This study is based on the rough model method (RMM).