dc.contributor.author | Tabib, Mandar | |
dc.contributor.author | Rasheed, Adil | |
dc.contributor.author | Kvamsdal, Trond | |
dc.date.accessioned | 2018-01-19T09:57:13Z | |
dc.date.available | 2018-01-19T09:57:13Z | |
dc.date.created | 2015-06-18T14:19:59Z | |
dc.date.issued | 2015 | |
dc.identifier.citation | Journal of Physics, Conference Series. 2015, 625:012032 . | nb_NO |
dc.identifier.issn | 1742-6588 | |
dc.identifier.uri | http://hdl.handle.net/11250/2478310 | |
dc.description.abstract | This 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.iso | eng | nb_NO |
dc.publisher | IOP Publishing | nb_NO |
dc.relation.uri | http://iopscience.iop.org/article/10.1088/1742-6596/625/1/012032/pdf | |
dc.rights | Navngivelse 4.0 Internasjonal | * |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/deed.no | * |
dc.subject | Lagdeling | nb_NO |
dc.subject | Stratification | nb_NO |
dc.subject | Vindenergi, turbulens | nb_NO |
dc.subject | Wind energy, turbulence | nb_NO |
dc.subject | CFD | nb_NO |
dc.subject | Vindkraft | nb_NO |
dc.subject | Wind power | nb_NO |
dc.title | LES and RANS simulation of onshore Bessaker wind farm: analyzing terrain and wake effects on wind farm performance | nb_NO |
dc.type | Journal article | nb_NO |
dc.type | Peer reviewed | nb_NO |
dc.description.version | publishedVersion | nb_NO |
dc.subject.nsi | VDP::Matematikk og naturvitenskap: 400 | nb_NO |
dc.subject.nsi | VDP::Mathematics and natural scienses: 400 | nb_NO |
dc.source.pagenumber | 10 | nb_NO |
dc.source.volume | 625:012032 | nb_NO |
dc.source.journal | Journal of Physics, Conference Series | nb_NO |
dc.identifier.doi | 10.1088/1742-6596/625/1/012032 | |
dc.identifier.cristin | 1249211 | |
dc.relation.project | Norges forskningsråd: 216465 | nb_NO |
dc.description.localcode | Content 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.unitcode | 194,63,15,0 | |
cristin.unitname | Institutt for matematiske fag | |
cristin.ispublished | true | |
cristin.fulltext | original | |
cristin.qualitycode | 1 | |