Fish Bypass System Mathematical Modelsby James J. Anderson, Univ of Washington Seattle, United States,
Document Type: Proceeding Paper
Part of: Waterpower '91: A New View of Hydro Resources
Mathematical models for fish diversion systems based on fish behavior in conjunction with diversion system structural and hydraulic properties are developed. Guidance efficiency is described in terms of: the ratio of flow to swimming velocity, a ratio of bypass system dimension to a measure of fish shcool size, and a ratio of the distance fish first respond to a bypass system to the school dimension. Models for system efficiency are presented for diversion from a pump intake using a stimulus such as a strobe light and guidance efficiency of a submersible screen at a hydroelectric dam. The models illustrate what combinations of parameters may produce high guidance efficiency and help identify where additional studies are required.
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