Chapter 4 Open-Channel Flow - Washington State …
the channel velocity (V) and the area of flow (A). Q = V A (4-1) Where: Q = discharge, cfs V = velocity, ft/s A = flow area, ft. 2. In some situations, the flow area of a channel is known. If it is not, the flow area must be calculated. Computer programs and charts from HDS-4 are available for determining channel geometry or velocities. 4-2.1
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