상세 보기
Wind Speed Prediction in Complex Terrain Using a Commercial CFD Code.
- 우재균;
- 김현기;
- 백인수;
- 유능수;
- 남윤수
초록
InvestigationsonmodelingmethodsofaCFD windresourcepredictionprogram,WindSim foraccuratepredictions ofwindspeedswereperformedwiththefieldmeasurements. MeteorologicalMastshavingheightsof40m and50m wereinstalledattwodifferentsitesincomplexterrain.Thewindspeedsanddirectionweremonitoredfrom sensors installedon themastsandrecordedforoneyear.Modeling parametersofWindSim inputvariablesforaccurate predictionsofwindspeedswereinvestigatedbyperformingcrosspredictionsofwindspeedsatthemastsusingthe measureddata. FourparametersthatmostaffectthewindspeedpredictioninWindSim including thesizeofa topographicalmap,cellsizesinxandydirection,heightdistributionfactors,andtheroughnesslengthswerestudied tofindoutmoresuitableinputparametersforbetterwindspeedpredictions. Theparameterswerethenappliedto WindSim topredictthewindspeedofanotherlocationincomplexterraininKoreaforvalidation.Thepredictedannual windspeedswerecomparedwiththeaveragedmeasureddataforoneyearfrom meteorologicalmastsinstalledforthis study,andtheerrorswerewithin6.9%. Theresultsoftheproposedpracticalstudyarebelievedtobeveryuseful togiveguidelinestowindengineersformoreaccuratepredictionresultsandtime-savinginpredictingwindspeedof complexterrainthatwillbeusedtopredictannualenergyproductionofavirtualwindfarm incomplexterrain. Keywords:Parametricstudy,windspeed,complexterrain,WindSim,CFD
키워드
- 제목
- Wind Speed Prediction in Complex Terrain Using a Commercial CFD Code.
- 저자
- 우재균; 김현기; 백인수; 유능수; 남윤수
- 발행일
- 2011-12
- 유형
- Y
- 저널명
- 한국태양에너지학회 논문집
- 권
- 31
- 호
- 6
- 페이지
- 8 ~ 22