1. Improvement of fish passage in culverts using CFD
- Author
-
Feurich, Robert, Boubée, Jacques, and Olsen, Nils Reidar B.
- Subjects
- *
FISHWAYS , *CULVERTS , *COMPUTATIONAL fluid dynamics , *FISH migration , *WATER depth , *RETROFITTING , *BAFFLES (Mechanical device) , *MATHEMATICAL models of fluid dynamics - Abstract
Abstract: Upstream migration of fish through circular culverts is often prevented by velocities in the barrel being higher than that of the natural channel. In this investigation a computational fluid dynamic (CFD) model has been used to test the effects of various spoiler baffle geometries in culverts of varying size to reduce water velocity and increase water depth and thus increase the upstream passage of small fish species. Results indicated that standard baffles designed for specific fish species or groups could be successfully retrofitted to culverts of varying dimensions. Subsequent field tests have confirmed the effectiveness of the design. [Copyright &y& Elsevier]
- Published
- 2012
- Full Text
- View/download PDF