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Turbulent Circular Culvert Flow: Implications To Fish Passage Design, Amin Mohebbi
Turbulent Circular Culvert Flow: Implications To Fish Passage Design, Amin Mohebbi
Department of Civil and Environmental Engineering: Dissertations, Theses, and Student Research
Culverts are popular conveyance structures in America and Canada to be used as a fish passage or in sewage collection and disposal systems. Fish passage design criteria is based on biological capabilities of fish whereas it should satisfy hydraulic and hydrological constraints as well. Failing to provide enough low velocity regions for aquatic organisms may result in their mass extinctions. Currently, proper road crossing design depends on either model studies or numerical simulations via Computational Fluid Dynamic (CFD) packages, both of which are expensive and time consuming. Further, although the design procedures released by FHWA recently ensures safe fish migration …