Vis enkel innførsel

dc.contributor.authorJiang, Fengjian
dc.contributor.authorPettersen, Bjørnar
dc.contributor.authorAndersson, Helge Ingolf
dc.date.accessioned2019-03-20T09:38:45Z
dc.date.available2019-03-20T09:38:45Z
dc.date.created2017-09-01T10:25:46Z
dc.date.issued2018
dc.identifier.citationEuropean journal of mechanics. B, Fluids. 2018, 67 79-86.nb_NO
dc.identifier.issn0997-7546
dc.identifier.urihttp://hdl.handle.net/11250/2590774
dc.description.abstractIn simulations of flow around a concave curved cylinder, i.e. free-stream aligned with the plane of curvature and directed towards the inner face of the curvature, one cannot avoid interactions between the cylinder and the inlet boundary. To get rid of the effects brought about by this interaction, we consider different lengths of upstream straight extensions at the lower end of the curved cylinder (0D, 5D and 10D, where D is the cylinder diameter), referred to as horizontal extensions. In this study, we directly solve the time-dependent three-dimensional Navier–Stokes equations. Results reveal that the appended horizontal extension allows the boundary layer to develop, so that the velocity profile at the curved cylinder inception is significantly different from the case where no horizontal extension is considered. The laminar boundary layer is thinner than that in the flat plate flow, which is given by Blasius’ solution. The results from 5D and 10D extensions show a clear convergent tendency. We therefore suggest that a horizontal extension is essential for concave curved cylinder flow simulation, and 10D would be a preferred choice.nb_NO
dc.language.isoengnb_NO
dc.publisherElseviernb_NO
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/deed.no*
dc.titleInfluences of upstream extensions on flow around a curved cylindernb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionacceptedVersionnb_NO
dc.source.pagenumber79-86nb_NO
dc.source.volume67nb_NO
dc.source.journalEuropean journal of mechanics. B, Fluidsnb_NO
dc.identifier.doi10.1016/j.euromechflu.2017.08.006
dc.identifier.cristin1490327
dc.relation.projectNotur/NorStore: nn9191knb_NO
dc.description.localcode© 2018. This is the authors’ accepted and refereed manuscript to the article. Locked until 14.8.2019 due to copyright restrictions. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/nb_NO
cristin.unitcode194,64,20,0
cristin.unitcode194,64,25,0
cristin.unitnameInstitutt for marin teknikk
cristin.unitnameInstitutt for energi- og prosessteknikk
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


Tilhørende fil(er)

Thumbnail

Denne innførselen finnes i følgende samling(er)

Vis enkel innførsel

Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal
Med mindre annet er angitt, så er denne innførselen lisensiert som Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal