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Effect of Manning's Roughness Coefficient in Simulating Flow Parameters in Natural Channels

by Mohammed M. Gasser, Hydraulics & Sediment Research, Inst, Delta Barrage, Egypt,
Siddig E. Ahmed, Hydraulics & Sediment Research, Inst, Delta Barrage, Egypt,
Mohammed B. Saad, Hydraulics & Sediment Research, Inst, Delta Barrage, Egypt,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

Manning's roughness coefficients are presented for three of the oldest and largest irrigation canals in Egypt. The discharges ranges from 35 to 318 m³/s. The spread in value of Manning's n from extremely smooth to very rough indicates improvement must be made in the collection of field data which is to be utilized in a monitoring system to implement better delivery of water to the vast number of farmers in Egypt's Delta.

Subject Headings: Hydraulic roughness | Fluid flow | Flow measurement | Developing countries | Channel flow | Canals | Water supply systems | Egypt | Africa | Middle East

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