Hydraulic Modeling of Fish Screens

by A. Jacob Odgaard, Univ of Iowa, Iowa City, United States,
Yalin Wang, Univ of Iowa, Iowa City, United States,
Marc Serre, Univ of Iowa, Iowa City, United States,
Rex A. Elder, Univ of Iowa, Iowa City, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

Hydraulic model studies coupled with available knowledge of fish behavior can be important component in the development of fish-screening systems. To reproduce in a model the flow field through and around a fish screen, the model screen must have the same headloss coefficient as the prototype screen. A series of tests is currently being conducted at IIHR to obtain headloss coefficients for various fish screen configurations. The screen include perforated plates, bar screens, and combinations of perforated plates and bar screens at various angles with the flow. The paper gives a summary of the results obtained to date.

Subject Headings: Hydraulic models | Fish and fishery management | Velocity distribution | Plates | Fluid velocity | Bars (structure) | Head (fluid mechanics)

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