Experimental Model Study of Over and Under Baffles

by Marlio W. Lesmez, Michigan Dep of Natural Resources, Allegan, United States,
Wayne Kubo, Michigan Dep of Natural Resources, Allegan, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


A hydraulic model study of a chlorine mixing channel was conducted at the Hydraulic Research Laboratory of the City of Los Angeles. An arrangement of over-under baffles was used to facilitate the mixing process. Separation and height of the baffles as well as the shape of the crest of the over baffles and the lip of the under baffles were studied to find the most effective baffle set up. Experimental test results allowed determination of flow rating curves for various baffle settings. Mixing of the chlorine was simulated by injecting colored dye. The model study confirmed the design and has been an invaluable tool for solving operational problems during testing and operation of the prototype.

Subject Headings: Baffles (hydraulic) | Hydraulic models | Chlorine | Laboratory tests | Wastewater management | Hydraulic design | Head (fluid mechanics)

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