Chapter
Apr 26, 2012
Experimental and CFD Modeling of a Vortex Flow Restrictor
Authors: Arturo S. León [email protected], Yovanni A. Cataño-Lopera [email protected], Xiaofeng Liu [email protected], Arthur R. Schmidt [email protected], and Marcelo H. García [email protected]Author Affiliations
Publication: World Environmental and Water Resources Congress 2008: Ahupua'A
Abstract
Flow restrictors or rain blockers are devices installed at inlets or manholes to limit storm runoff entering a Combined Sewer System (CSS). One type of these structures is the vortex flow restrictor (VFR). Although a large number of this type of restrictor have been installed in CSSs in urban areas, the authors are not aware of any systematic study on the performance of the VFR in limiting peak flows. Herein the results of an experimental and numerical study of a VFR are presented. For the numerical study, a state-of-the-art three-dimensional Computational Fluid Dynamics (CFD) model was used. The numerical results for the discharge coefficient and rating curves show good agreement with the experimental observations. The results show that the flow discharge passing through a VFR can be reduced substantially compared to the case where no flow restrictor is in place. The results also show that the flow discharge depends strongly on the way the VFR is installed.
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© 2008 American Society of Civil Engineers.
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Published online: Apr 26, 2012
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ASCE Technical Topics:
- Analysis (by type)
- Climates
- Computational fluid dynamics technique
- Engineering fundamentals
- Environmental engineering
- Fluid dynamics
- Fluid mechanics
- Hydraulic engineering
- Hydraulic structures
- Hydrologic engineering
- Infrastructure
- Inlets (waterway)
- Meteorology
- Methodology (by type)
- Models (by type)
- Numerical analysis
- Numerical methods
- Pipe blockage
- Pipeline management
- Pipeline systems
- Precipitation
- Rainfall
- Rainfall-runoff relationships
- Three-dimensional models
- Vortices
- Water and water resources
- Waterways
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Post-doctoral Research Associate, Dept. of Civil and Envir. Engng., Univ. of Illinois at Urbana-Champaign, 2519 Hydrosystems Lab., MC-250. 205 North Mathews Av., Urbana, IL 61801.E-mail: [email protected]
Post-doctoral Research Associate, Dept. of Civil and Envir. Engng., Univ. of Illinois at Urbana-Champaign, 2524 Hydrosystems Lab., MC-250. 205 North Mathews Av., Urbana, IL 61801.E-mail: [email protected]
Ph.D student, Dept. of Civil and Envir. Engng., Univ. of Illinois at Urbana-Champaign, 2519 Hydrosystems Lab., MC-250. 205 North Mathews Av., Urbana, IL 61801.E-mail: [email protected]
Research Assistant Professor, Dept. of Civil and Envir. Engng., Univ. of Illinois at Urbana-Champaign, 2535a Hydrosystems Lab., MC-250. 205 North Mathews Av., Urbana, IL 61801.E-mail: [email protected]
Chester and Helen Siess Professor and Director, Dept. of Civil and Envir. Engng., Univ. of Illinois at Urbana-Champaign, 2535b Hydrosystems Lab., MC-250. 205 North Mathews Av., Urbana, IL 61801.E-mail: [email protected]
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