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Water 2011, 3(3), 764-786; doi:10.3390/w3030764

Coupling Numerical and Physical Modeling for Analysis of Flow in a Diversion Structure with Coanda-effect Screens

1
Civil Engineering Department, Ferdowsi University of Mashhad, P.O. Box 91775-1111, Azadi Square, Mashhad, Iran
2
Department of Civil Engineering, University of New Mexico, Albuquerque, NM 87131, USA
*
Author to whom correspondence should be addressed.
Received: 27 April 2011 / Revised: 23 June 2011 / Accepted: 25 June 2011 / Published: 4 July 2011

Abstract

There is an increasing need to screen water in surface water collection systems to remove floating debris and small aquatic organisms to protect receiving water bodies. Recently, the Albuquerque Metropolitan Arroyo Flood Control Authority (AMAFCA, New Mexico, USA) has actively introduced structural debris removal from storm-water facilities as a best management practice. In the South Diversion Channel Project, AMAFCA’s objective is to divert the flow at the upstream end of the existing concrete structure and remove debris from this flow using Coanda-effect screens before allowing it to re-enter the channel. Design limitations, such as access to the debris removal site, existing components of the concrete structure, topography of the site, and need for flow-regulating structures complicate the design. This paper shows how numerical modeling tools (Delft3D-FLOW model) and physical modeling can be used in conjunction to observe flow patterns in a diversion structure and around Coanda-effect screens, estimate design parameters and thereby provide design recommendations. View Full-Text
Keywords: MAFCA; best management practice; Coanada-effect screen; Delft3D-FLOW; diversion structure; storm water MAFCA; best management practice; Coanada-effect screen; Delft3D-FLOW; diversion structure; storm water
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Hosseini, S.M.; Coonrod, J. Coupling Numerical and Physical Modeling for Analysis of Flow in a Diversion Structure with Coanda-effect Screens. Water 2011, 3, 764-786.

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