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Assessment of Steady and Unsteady Friction Models in the Draining Processes of Hydraulic Installations

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Assessment of Steady and Unsteady Friction Models in the Draining Processes of Hydraulic Installations

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dc.contributor.author Coronado-Hernández, Oscar E. es_ES
dc.contributor.author Derpich, Ivan es_ES
dc.contributor.author Fuertes-Miquel, Vicente S. es_ES
dc.contributor.author Coronado-Hernández, Jairo R. es_ES
dc.contributor.author Gatica, Gustavo es_ES
dc.date.accessioned 2022-05-19T18:03:19Z
dc.date.available 2022-05-19T18:03:19Z
dc.date.issued 2021-07 es_ES
dc.identifier.issn 2073-4441 es_ES
dc.identifier.uri http://hdl.handle.net/10251/182720
dc.description.abstract [EN] The study of draining processes without admitting air has been conducted using only steady friction formulations in the implementation of governing equations. However, this hydraulic event involves transitions from laminar to turbulent flow, and vice versa, because of the changes in water velocity. In this sense, this research improves the current mathematical model considering unsteady friction models. An experimental facility composed by a 4.36 m long methacrylate pipe was configured, and measurements of air pocket pressure oscillations were recorded. The mathematical model was performed using steady and unsteady friction models. Comparisons between measured and computed air pocket pressure patterns indicated that unsteady friction models slightly improve the results compared to steady friction models. es_ES
dc.description.sponsorship This research was supported by the Research Department of the Universidad Andres Bello, grant number DI-12-20/REG; and the University of Santiago of Chile with DICYT-Project Number 062117DC. es_ES
dc.language Inglés es_ES
dc.publisher MDPI AG es_ES
dc.relation.ispartof Water es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Air pocket es_ES
dc.subject Draining process es_ES
dc.subject Friction factor es_ES
dc.subject Transient flow es_ES
dc.subject Unsteady es_ES
dc.subject.classification MECANICA DE FLUIDOS es_ES
dc.title Assessment of Steady and Unsteady Friction Models in the Draining Processes of Hydraulic Installations es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/w13141888 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/Usach//062117DC/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UNAB//DI-12-20%2FREG/ 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 Coronado-Hernández, OE.; Derpich, I.; Fuertes-Miquel, VS.; Coronado-Hernández, JR.; Gatica, G. (2021). Assessment of Steady and Unsteady Friction Models in the Draining Processes of Hydraulic Installations. Water. 13(14):1-13. https://doi.org/10.3390/w13141888 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/w13141888 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 13 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 13 es_ES
dc.description.issue 14 es_ES
dc.relation.pasarela S\463292 es_ES
dc.contributor.funder Universidad Andrés Bello, Chile es_ES
dc.contributor.funder Universidad de Santiago de Chile es_ES


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