Hydraulic Effects on Swimming Fish in Fish Passage Structuresby C. E. Behlke, Univ of Alaska, United States,
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 management | Hydraulic structures | Buoyancy | Drag (fluid dynamics) | Structural analysis | Hydraulics | Slopes | Seas and oceans
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