Water Surface Profiles in Compound Channels

by Terry W. Sturm, Georgia Inst of Technology, Sch of, Civil Engineering, Atlanta, GA, USA,
Dan M. Skolds, Georgia Inst of Technology, Sch of, Civil Engineering, Atlanta, GA, USA,
Merritt E. Blalock, Georgia Inst of Technology, Sch of, Civil Engineering, Atlanta, GA, USA,



Document Type: Proceeding Paper

Part of: Hydraulics and Hydrology in the Small Computer Age

Abstract:

The paper explores the use of the proposed compound channel Froude number in problems of water surface profile computation. It can be used not only to determine critical depth and to identify the flow regime in overbank flow but can also be substituted directly into the equation of gradually-varied flow. Two example problems are presented. The first involves water surface profile computation in a prismatic, laboratory channel with a flood plain while the second investigates water surface profile computations in a laboratory model of an alluvial river.

Subject Headings: Flow profiles | Water surface profiles | Fluid flow | Computer models | River flow | Gradually varied flow | Channels (waterway)

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