Hydraulic Effects on Swimming Fish in Fish Passage Structures

by C. E. Behlke, Univ of Alaska, United States,



Document Type: Proceeding Paper

Part of: Soil Properties Evaluation from Centrifugal Models and Field Performance

Abstract:

The implications of profile drag, weight, and buoyant forces on energy and power requirements of fish swimming through fish passage structures are considered. Where hydraulic grade lines slope several degrees, weight and buoyant forces do not cancel and one or both may create significant drag on the fish.

Subject Headings: Fish and fishery management | Hydraulic structures | Drag (fluid dynamics) | Buoyancy | Structural analysis | Water management | Water flow

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