Updated regime equations for alluvial Egyptian canals

被引:10
作者
Abdelhaleem, Fahmy Salah [1 ]
Amin, Ahmed Mostafa [2 ]
Ibraheem, Mohammad Mahmoud [3 ]
机构
[1] Benha Univ, Benha Fac Engn, Dept Civil Engn, PO 13512, Banha, Egypt
[2] Natl Water Res Ctr, Inst Hydraul Res, Alexandria, Egypt
[3] Banha Univ, Shoubra Fac Engn, Dept Civil Engn, Banha, Egypt
关键词
Alluvial channels; Regime theory; Channel design; Fluvial hydraulics; Egypt;
D O I
10.1016/j.aej.2015.12.011
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Real accuracy of several regime relationships for designing stable alluvial channels in Egypt was determined. Extensive field measurements had been carried out on 26 Egyptian stable canals, which cover various categories of irrigation canals starting from distributary, branch to carrier canals in Egypt. Analysis of 1484 velocity profiles for 371 cross sections was employed in order to formulate new regime equations characterizing Egyptian canals. The functional formulations to include the flow depth, cross section area, hydraulic radius and mean velocity were achieved. This research compared the deduced formulas from the measured data with the equations derived by other researchers for stable channel design. It was found that the derived formulas are reliable and could help in the design of Egyptian canals to convey a discharge ranging from 0.11 to 287.5 m(3)/s (0.0095-24.84 millions m(3)/day). (C) 2015 Faculty of Engineering, Alexandria University. Production and hosting by Elsevier B.V.
引用
收藏
页码:505 / 512
页数:8
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