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Computational fluid dynamics for sub-atmospheric pressure analysis in pipe drainage

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Computational fluid dynamics for sub-atmospheric pressure analysis in pipe drainage

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dc.contributor.author Besharat, Mohsen es_ES
dc.contributor.author Coronado-Hernández, Oscar Enrique es_ES
dc.contributor.author Fuertes-Miquel, Vicente S. es_ES
dc.contributor.author Viseu, Maria Teresa es_ES
dc.contributor.author Ramos, Helena M. es_ES
dc.date.accessioned 2021-04-27T03:33:00Z
dc.date.available 2021-04-27T03:33:00Z
dc.date.issued 2019-08-06 es_ES
dc.identifier.issn 0022-1686 es_ES
dc.identifier.uri http://hdl.handle.net/10251/165607
dc.description.abstract [EN] The occurrence of sub-atmospheric pressure in the drainage of pipelines containing an air pocket has been known as a major cause of several serious problems. Accordingly, some system malfunction and pipe buckling events have been reported in the literature. This case has been studied experimentally and numerically in the current research considering objectives for a better understanding of: (i) the emptying process, (ii) the main parameters influencing the drainage, and (iii) the air-water interface deformation. Also, this research demonstrates the ability of a computational fluid dynamic (CFD) model in the simulation of this event. The effects of the air pocket size, the percentage and the time of valve opening on the pressure variation have been studied. Results show the pipeline drainage mostly occurs due to backflow air intrusion. The worst case scenario is associated with a fast valve opening when a tiny air pocket exists in the pipeline. es_ES
dc.description.sponsorship This work is supported by Fundacao para a Ciencia e Tecnologia (FCT), Portugal [grant number PD/BD/114459/2016]. es_ES
dc.language Inglés es_ES
dc.publisher Taylor & Francis es_ES
dc.relation.ispartof Journal of Hydraulic Research es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Computational fluid dynamics (CFD) es_ES
dc.subject Emptying process es_ES
dc.subject Entrapped air simulation es_ES
dc.subject Experimental set-up es_ES
dc.subject Realizable k-epsilon turbulence model es_ES
dc.subject Sub-atmospheric pressure es_ES
dc.subject Volume of fluid (VOF) multiphase model es_ES
dc.subject.classification MECANICA DE FLUIDOS es_ES
dc.title Computational fluid dynamics for sub-atmospheric pressure analysis in pipe drainage es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1080/00221686.2019.1625819 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/FCT//PD%2FBD%2F114459%2F2016/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Hidráulica y Medio Ambiente - Departament d'Enginyeria Hidràulica i Medi Ambient es_ES
dc.description.bibliographicCitation Besharat, M.; Coronado-Hernández, OE.; Fuertes-Miquel, VS.; Viseu, MT.; Ramos, HM. (2019). Computational fluid dynamics for sub-atmospheric pressure analysis in pipe drainage. Journal of Hydraulic Research. 58(4):553-565. https://doi.org/10.1080/00221686.2019.1625819 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1080/00221686.2019.1625819 es_ES
dc.description.upvformatpinicio 553 es_ES
dc.description.upvformatpfin 565 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 58 es_ES
dc.description.issue 4 es_ES
dc.relation.pasarela S\433387 es_ES
dc.contributor.funder Fundação para a Ciência e a Tecnologia, Portugal es_ES
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