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Model Study of an Intake Structure

by Aladdin Shaikh, Boyle Engineering Corp, Newport Beach, United States,
Karl W. Seckel, Boyle Engineering Corp, Newport Beach, United States,
James F. Ruff, Boyle Engineering Corp, Newport Beach, United States,
Thomas E. Brisbane, Boyle Engineering Corp, Newport Beach, United States,



Document Type: Proceeding Paper

Part of: Hydraulic Engineering

Abstract:

To increase the delivery capacity of an existing gravity-feed water supply pipeline in Orange County, California, modification of the existing structure and placement of a booster pumping station were proposed. Because of the complexity of the intake structure and strong possibility of vortex formation, a model study was conducted to determine necessary modification for satisfactory flow conditions. Strong vortices were observed with the existing intake structure at higher flow rates. Model testing showed that system capacity can be increased and vortices can be eliminated by minor modifications of the existing structure.

Subject Headings: Water intakes | Vortices | Water pipelines | Fluid flow | Structural models | Pumping stations | Hydraulic structures | California | United States

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