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CFD Analysis of Flow in a Grated Inlet fileshare free download

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Document pages: 11 pages

Abstract: Effectivelymanaging floods in urban regions requires effectively designed andwell-maintained runoff collection system. The absence of such a system andintense rainfall event will have the potential to disrupt the urban life andcause significant economic loss to properties. Grated inlets, which are a keycomponent in urban drainage network, are used to capture the runoff. In thiswork, a three dimensional CFD model was developed based on open-source CFD tool,OpenFOAM&#174, to model flow over a grated inlet. An incompressible,transient, multiphase flow, Volume of Fluid (VOF) simulation was performed topredict the water flow rate through the grate inlet. The predicted flow ratesare compared with the HEC-22 monograph values. The close agreement between theresults shows the potential of using CFD modeling approach to test thereliability of existing drainage inlets for different flow scenarios.

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