Chapter
Apr 26, 2012
Free Surface Simulations for a Removable Spillway Weir
Authors: Xiaoli Fu [email protected], Marcela S. Politano [email protected], and Larry Weber [email protected]Author Affiliations
Publication: World Environmental and Water Resources Congress 2008: Ahupua'A
Abstract
The flow field around a removable spillway weir structure (RSW) at Little Goose Dam is numerically predicted. The modeling approach and main characteristic of the CFD model used in this study are presented. The model is based on the Reynolds-Averaged Navier-Stokes (RANS) equations, with a standard κ - ε turbulence model. The Volume of Fluid (VOF) method is used to predict the discharge for a given forebay elevation. The model is used to evaluate the possible reduction of the spillway capacity during a Probably Maximum Flood (PMF) event. Flow field characteristics with and without the RSW structure are presented and discussed. The hydraulic force on the RSW structure is calculated.
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Information
Published In
World Environmental and Water Resources Congress 2008: Ahupua'A
Pages: 1 - 10
Copyright
© 2008 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Barriers (by type)
- Drop structures
- Engineering fundamentals
- Flow (fluid dynamics)
- Flow simulation
- Fluid dynamics
- Fluid mechanics
- Free surfaces
- Hydraulic engineering
- Hydraulic models
- Hydraulic structures
- Hydrologic engineering
- Models (by type)
- Numerical models
- Overland flow
- Protective structures
- Spillways
- Structural engineering
- Structures (by type)
- Water and water resources
- Weirs
Authors
Affiliations
IIHR, Hydroscience & Engineering, The University of Iowa, 300 South Riverside Dr., Iowa City, IA 52242-1585. E-mail: [email protected]
IIHR, Hydroscience & Engineering, The University of Iowa, 300 South Riverside Dr., Iowa City, IA 52242-1585. E-mail: [email protected]
IIHR, Hydroscience & Engineering, The University of Iowa, 300 South Riverside Dr., Iowa City, IA 52242-1585. E-mail: [email protected]
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