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ID:32084888
大小:9.77 MB
页数:53页
时间:2019-01-31
《兆瓦级大型风电专用翼型优化设计方法研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、万方数据ABSTRACTWindenergyshowsatrendofrapidgrowthinthecountriesallovertheworld,thewindpowerisnolongersupplementenergy,butthemosthasthecommercialprospectsfordevelopmentofnewenergy.Designresearchanddevelopmentofadvancedwindpowerequipmentisthekeytothedevelop
2、mentofwindpowerindustry,theimpelleristocapturethesourceofwindenergyiswindpowerequipmenttransformationofallenergySOurCeS,SOthebladeaerodynarniccharacteristicsdecidethewholetyphoonelectricitygeneratingefficiencyoftheunit.Bladebythesuperpositionofairfoila
3、ccordingtocertainrules,andoptimizetheairfoildesign,candirectlyimprovethecapacityofwindturbine,windenergyconversionrateandtheservicelifeofthevane.Basedontheanalysisofwingmodeltheoryandmethodofstudyonwindpowerathomeandabroad,onthebasisofusingfluidmechani
4、csanalysismethodandmultidisciplinaryoptimizationmethod,putforwardthemethodfortheoptimizationdesignoflarge—scalewindturbinebladeairfoil.PaperstudiesthemaincontentsarethefollowingseveralpartsFirstly,introducesthebasictheoryofwindwingtype.Completeprofiled
5、ataandestablishtheairfoildatabasework,provideconvenienceforlookingfortherightbenchmarkairfoil.Secondly,establishwindwingtypeintegrationofmodelingandsimulationsystem.Inviewoftheairfoilflowfieldresearchincomputationalcomplexflowconditions,importprecision
6、airfoilmodelandcorrectsimulation.’Fheairfoilconvenient,accurateandefficientmodelingandsimulationprocess.Needleavarietyofwindwingtypepneumaticperformancemodelingandsimulation,analysisofairfoilaerodynamicperformancecharacteristicsandregularity,layagoodfo
7、undationforthepneumaticperformanceoptimization.Thirdly,researchonairfoilparametricmethod,thatis,usingmathematicalfunctionexpressestheairfoilgeometry,throughthedesignparametersofthenumericalcontroltoachievethepurposeofcontrollingtheairfoilshape.Paperbas
8、edonHicks-Hennefunctionofairfoilparametricdesignanddetailedstudyofconvergenceproperties.AndaccordingtotheHicks—Hennefunctionmethod,theuseofVCprogramming,writeairfoilgenerationprogram.ThisprogramisthefunctionofT万方数据ABSTRACTtheinputdesign
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