Discharge coefficient of a rectangular sharp-edged broad-crested weir

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dc.contributor.authorZachoval, Zbyněkcs
dc.contributor.authorKnéblová, Michaelacs
dc.contributor.authorRoušar, Ladislavcs
dc.contributor.authorRumann, Jáncs
dc.contributor.authorŠulc, Jancs
dc.coverage.issue2cs
dc.coverage.volume62cs
dc.date.issued2014-04-01cs
dc.description.abstractThis paper is concerned with the determination of the relationship for the calculation of the discharge coefficient at free overflow over a rectangular sharp-edged broad-crested weir without lateral contraction. The determination was made on the basis of new measurement in a range of the relative thickness of the weir from 0.12 to 0.30 and newly in a large range of relative height of the weir extremely from 0.24 to 6.8 which greatly expands the application possibilities of low weirs. In addition, the effects of friction and surface tension on the value of the discharge coefficient were evaluated as well as the effect of the relative thickness of the weir. The new equation for discharge coefficient, expressed using the relative height of the weir, was subjected to verification made by an independent laboratory which confirmed its accuracy.en
dc.description.abstractThis paper is concerned with the determination of the relationship for the calculation of the discharge coefficient at free overflow over a rectangular sharp-edged broad-crested weir without lateral contraction. The determination was made on the basis of new measurement in a range of the relative thickness of the weir from 0.12 to 0.30 and newly in a large range of relative height of the weir extremely from 0.24 to 6.8 which greatly expands the application possibilities of low weirs. In addition, the effects of friction and surface tension on the value of the discharge coefficient were evaluated as well as the effect of the relative thickness of the weir. The new equation for discharge coefficient, expressed using the relative height of the weir, was subjected to verification made by an independent laboratory which confirmed its accuracy.en
dc.formattextcs
dc.format.extent145-149cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationJournal of Hydrology and Hydromechanics. 2014, vol. 62, issue 2, p. 145-149.en
dc.identifier.doi10.2478/johh-2014-0014cs
dc.identifier.issn0042-790Xcs
dc.identifier.orcid0000-0003-0573-2107cs
dc.identifier.orcid0000-0003-4626-9825cs
dc.identifier.other105675cs
dc.identifier.researcheridS-8993-2018cs
dc.identifier.scopus55256283300cs
dc.identifier.urihttp://hdl.handle.net/11012/102748
dc.language.isoencs
dc.publisherInstitute of Hydrology of the Slovak Academy of Sciences, Institute of Hydrodynamics of the Academy of Sciences of the Czech Republiccs
dc.relation.ispartofJournal of Hydrology and Hydromechanicscs
dc.relation.urihttp://www.degruyter.com/view/j/johh.2014.62.issue-2/johh-2014-0014/johh-2014-0014.xml?format=INTcs
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 3.0 Unportedcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/0042-790X/cs
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cs
dc.subjectBroad-crested weiren
dc.subjectDischarge coefficienten
dc.subjectRelative height of weir.en
dc.subjectBroad-crested weir
dc.subjectDischarge coefficient
dc.subjectRelative height of weir.
dc.titleDischarge coefficient of a rectangular sharp-edged broad-crested weiren
dc.title.alternativeDischarge coefficient of a rectangular sharp-edged broad-crested weiren
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-105675en
sync.item.dbtypeVAVen
sync.item.insts2025.10.14 14:46:14en
sync.item.modts2025.10.14 09:58:28en
thesis.grantorVysoké učení technické v Brně. Fakulta stavební. Ústav vodních stavebcs
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