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Influence of Gravel-Bed Porosity and Grain Orientation on Bulk Flow Resistance

dc.contributor.authorNavaratnam, Christy Ushanth
dc.contributor.authorAberle, Jochen
dc.contributor.authorQin, Jie
dc.contributor.authorHenry, Pierre-Yves T
dc.date.accessioned2018-07-10T09:17:14Z
dc.date.available2018-07-10T09:17:14Z
dc.date.created2018-04-26T13:04:36Z
dc.date.issued2018
dc.identifier.citationWater. 2018, 10 (5), .nb_NO
dc.identifier.issn2073-4441
dc.identifier.urihttp://hdl.handle.net/11250/2504967
dc.description.abstractThis paper presents results from experiments that were carried out to study the effect of porosity and grain orientation on flow resistance. Experiments were performed over three rough surfaces; a water-worked gravel-bed, its non-porous facsimile (cast-bed) and the rotated cast-bed (cast tiles rotated through 180°). The first two beds were used to isolate the influence of gravel-bed porosity on the bulk flow resistance and the rotated cast was used to study effect of the grain orientation on the flow resistance. The results showed that the rotated cast-bed exerted the highest flow resistance whereas the porous water-worked gravel-bed was, for comparable hydraulic boundary conditions, characterized by slightly higher flow resistance than its non-porous counterpart. The results from the bulk flow analysis were substantiated by a preliminary analysis of flow velocity data.nb_NO
dc.description.abstractInfluence of Gravel-Bed Porosity and Grain Orientation on Bulk Flow Resistancenb_NO
dc.language.isoengnb_NO
dc.publisherMDPInb_NO
dc.relation.urihttp://www.mdpi.com/2073-4441/10/5/561
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.subjectHydraulikknb_NO
dc.subjectHydraulicsnb_NO
dc.titleInfluence of Gravel-Bed Porosity and Grain Orientation on Bulk Flow Resistancenb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionpublishedVersionnb_NO
dc.subject.nsiVDP::Teknologi: 500nb_NO
dc.subject.nsiVDP::Technology: 500nb_NO
dc.source.pagenumber16nb_NO
dc.source.volume10nb_NO
dc.source.journalWaternb_NO
dc.source.issue5nb_NO
dc.identifier.doi10.3390/w10050561
dc.identifier.cristin1581834
dc.description.localcode© 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).nb_NO
cristin.unitcode194,64,91,0
cristin.unitnameInstitutt for bygg- og miljøteknikk
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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