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Optimal Sizing of Width- and Depth-Constrained Trapezoidal Channels

by David C. Froehlich, (M.ASCE),



Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water

Abstract:

Open-channels are often designed based on the assumption of uniform flow and normal depth. If a channel is to be lined with a nonerodible material, the dimensions of the channel can be chosen based on hydraulic efficiency alone without regard to excessive velocities. From a hydraulic viewpoint, the best open-channel cross section might be one that requires the least cross-section area for a given flow rate.

Subject Headings: Open channels | Cross sections | Channels (waterway) | Hydraulics | Uniform flow | Trapezoidal channels | Size effect

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