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dc.contributor.authorTabib, Mandar
dc.contributor.authorRasheed, Adil
dc.contributor.authorKvamsdal, Trond
dc.date.accessioned2018-01-19T09:57:13Z
dc.date.available2018-01-19T09:57:13Z
dc.date.created2015-06-18T14:19:59Z
dc.date.issued2015
dc.identifier.citationJournal of Physics, Conference Series. 2015, 625:012032 .nb_NO
dc.identifier.issn1742-6588
dc.identifier.urihttp://hdl.handle.net/11250/2478310
dc.description.abstractThis work compares the predictive performance of RANS and LES solver in capturing the effect of terrain and wakes on the performance of the Bessaker wind farm. This 25 turbine wind farm is located in a highly complex terrain and is exposed to predominantly high westerly and south easterly winds. A one-equation sub-grid scale LES turbulence model has been used to help capture the wake dynamics: particularly the effects of wake meandering and wake-turbine interactions. A comparison between RANS and LES models highlights the influence of turbulence model on wake decay and its subsequent effect on prediction of power production. The LES model predicts delayed decay of the wake and more pronounced wake interference leading to a lower power production in wind farm than the RANS case. The RANS model overpredicts turbulence, which cause faster turbulent momentum diffusivity and faster wake recovery. This study has given some insights regarding the power production at Bessaker wind farm for neutral conditions and westerly flow.nb_NO
dc.language.isoengnb_NO
dc.publisherIOP Publishingnb_NO
dc.relation.urihttp://iopscience.iop.org/article/10.1088/1742-6596/625/1/012032/pdf
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.subjectLagdelingnb_NO
dc.subjectStratificationnb_NO
dc.subjectVindenergi, turbulensnb_NO
dc.subjectWind energy, turbulencenb_NO
dc.subjectCFDnb_NO
dc.subjectVindkraftnb_NO
dc.subjectWind powernb_NO
dc.titleLES and RANS simulation of onshore Bessaker wind farm: analyzing terrain and wake effects on wind farm performancenb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionpublishedVersionnb_NO
dc.subject.nsiVDP::Matematikk og naturvitenskap: 400nb_NO
dc.subject.nsiVDP::Mathematics and natural scienses: 400nb_NO
dc.source.pagenumber10nb_NO
dc.source.volume625:012032nb_NO
dc.source.journalJournal of Physics, Conference Seriesnb_NO
dc.identifier.doi10.1088/1742-6596/625/1/012032
dc.identifier.cristin1249211
dc.relation.projectNorges forskningsråd: 216465nb_NO
dc.description.localcodeContent from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd.nb_NO
cristin.unitcode194,63,15,0
cristin.unitnameInstitutt for matematiske fag
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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