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dc.contributor.authorSiddiqui, Muhammad Salman
dc.contributor.authorRasheed, Adil
dc.contributor.authorTabib, Mandar
dc.contributor.authorKvamsdal, Trond
dc.date.accessioned2018-02-13T15:14:35Z
dc.date.available2018-02-13T15:14:35Z
dc.date.created2017-03-09T14:17:42Z
dc.date.issued2017
dc.identifier.isbn978-1-62410-456-5
dc.identifier.urihttp://hdl.handle.net/11250/2484449
dc.description.abstractPrevailing atmospheric conditions can have a significant impact on the performance of large mega-watt wind turbines. A purely experimental evaluation of this impact is currently not possible and hence numerical techniques have been employed in this work. With the focus on aerodynamic performance of wind turbine, an attempt is made to realize the following objectives: (a) To evaluate the predictive capabilities of fully resolved Sliding Mesh Interface (SMI) transient simulations around the wind turbine against the steady state Multiple Reference Frame (MRF) simulations (b) To investigate the performance of the wind turbine subjected to uniform inlet profiles against atmospheric boundary layer profiles. (c) To study the effect of atmospheric stability on wind turbine performance. The methods are validated first and then implemented on a national renewable energy laboratory 5 MW reference wind turbine model for the aerodynamic study. Highly uneven and irregular wake profiles are seen with variation in input conditions(TKE). Uneven distribution of flow velocity in the lateral direction enhances the momentum transfer with in the shear layers and contributes positively towards the wake recovery. It is also found that in unstable stratified conditions, the positive buoyancy flux at the surface creates thermal instabilities which enhances the turbulent kinetic energy and the turbulent mixing, and helps the wake to recover faster.nb_NO
dc.language.isoengnb_NO
dc.publisherAmerican Institute of Aeronautics and Astronauticsnb_NO
dc.relation.ispartof35th Wind Energy Symposium, Grapevine, Texas, 9 - 13 January 2017
dc.titleNumerical Modeling Framework for Wind Turbine Analysis & Atmospheric Boundary Layer Interactionnb_NO
dc.typeChapternb_NO
dc.description.versionpublishedVersionnb_NO
dc.identifier.doi10.2514/6.2017-1162
dc.identifier.cristin1456937
dc.relation.projectNorges forskningsråd: 193823nb_NO
dc.relation.projectNorges forskningsråd: 216465nb_NO
dc.description.localcodeThis chapter will not be available due to copyright restrictions (c) 2017 by American Institute of Aeronautics and Astronauticsnb_NO
cristin.unitcode194,63,15,0
cristin.unitnameInstitutt for matematiske fag
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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