Louvered Offshore Intake for Diverting Fish

by Yusuf G. Mussalli, (M.ASCE), Consultant; Hydr. Div., Stone & Webster Engrg. Corp., P.O. Box 2325, Boston, Mass. 02107,
J. M. Toennies, Dir.; Environmental Affairs, Niagara Mohawk Power Corp., Syracuse, N.Y.,
Johannes Larsen, Lead Engr.; Alden Research Labs., Worcester Polytechnic Inst., Holden, Mass.,
Edward P. Taft, Sr. Ecologist; Environmental Engrg. Div., Stone & Webster Engrg. Corp., P.O. Box 2325, Boston, Mass. 02107,

Serial Information: Journal of the Energy Division, 1981, Vol. 107, Issue 1, Pg. 79-94

Document Type: Journal Paper

Abstract: The developmental work on louvered offshore intakes is presented. The model studies included: (1) Preliminary studies in a test flume, capped with plexiglass, and equipped with 15 L-shaped louvers; (2) a 1:9 scale hydraulic model to study the flow distribution along various louver geometrics, louver array angles, and location of the base-wall; and (3) 1:1 (full) scale model testing with live fish. The biological test results were variable and ranged from about 91 to 23 percent. The concept is unique is unique and requires further development prior to being considered a practical solution for fish diversion. The study is presented to report on the developmental work done to date in order to guide researchers in the field.

Subject Headings: Model analysis | Model tests | Hydraulic models | Scale models | Fish management | Full-scale tests | Flow distribution |

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