Utilize este identificador para referenciar este registo: https://hdl.handle.net/10316/107421
Título: Numerical Research of Flows into Gullies with Different Outlet Locations
Autor: Carvalho, Rita 
Lopes, Pedro 
Leandro, Jorge 
David, Luis M.
Palavras-chave: drainage systems; gullies; linking-element; discharge capacity; OpenFOAM R; VOF; SSTk-w turbulence model
Data: 2019
Editora: MDPI
Projeto: UID/MAR/04292/2019 
Título da revista, periódico, livro ou evento: Water (Switzerland)
Volume: 11
Número: 4
Resumo: Gullies are sewer inlets placed in pavements usually covered by bar grates. They are the most common linking-element used to drain a wide range of flows from surface runoff into the buried drainage system. Their hydraulic behavior and their overall hydraulic performance is dependent on the flow conditions, the gully dimension, geometry, and location of the outlet device. Herein a numerical research based on Volume Of Fluid (VOF) to detect the interface, and on the Shear Stress Transport SSTk-w turbulence model was conducted to study the importance of the outlet location and characterize flows through them in drainage conditions. Results provided detailed information about flow features, discharge coefficients, and efficiencies for different outlet locations. The authors identified three different regimes, R1, R2, and R3, and concluded that the outlet location influences the velocity field along the gully, the discharge coefficient, and the drainage efficiency. This allows for the estimation of uncertainty and its variation for different outlet positions.
URI: https://hdl.handle.net/10316/107421
ISSN: 2073-4441
DOI: 10.3390/w11040794
Direitos: openAccess
Aparece nas coleções:I&D MARE - Artigos em Revistas Internacionais

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