小型H型垂直軸風力發(fā)電機氣動性能分析.pdf

1、西南交通大學碩士學位論文小型H型垂直軸風力發(fā)電機氣動性能分析姓名：鄭云申請學位級別：碩士專業(yè)：機械電子工程指導教師：柯堅20081201西南交通大學碩士研究生學位論文第lI頁AbstractWiththecharacteristicsofexcellentlowvelocityperformance，lownoise，highsafetysimplestructure，lowcost，thesmallHverticalaxiswindt

2、urbineprovidesgoodmarketprospectThewindwheelandthegeneratorarethekeycomponentsofthewindturbine，whichthestructureandperformancearerelatedwiththeutilizationratioofthewindturbineThelackofaccurateoptimizeddesigningmethod，the

3、problemoflowutilizationratiostillexistsinthewindturbinesystemAimingatthesmallH—verticalaxiswindturbine，constructingallanalysismethodandanalyzingtheaerodynamicperformanceareveryimportanttotheoptimaldesignforthewindturbine

4、Thisthesismainlyadoptsthenumericalsimulationmethodbasedonthecomputationalfluiddynamics，andanalyzestheaerodynamicperformanceofsmallHverticalaxiswindturbine，theinfluencefactorsoftheaerodynamicperformanceandthematchingprope

5、rtybetweenhewindwheelandthegeneratorisproposedbasedonthisconditionsThisthesisincludesthreeparts，oneissimplificationofgeometricmodelandconstructingthecomputingmodel，anotheristheinfluenceofwindwheelconstructtotheaerodynami

6、cperformanceofthewindturbine，andlastisthematchingpropertybetweenwindwheelandgeneratorAdoptingthemovingmeshtechnique，finishedthetransientCFDcomputingandgotthevalueoftheutilizationratioandthetorque，thetheoryfoundationwaspu

7、tforwardfromthedataforoptimaldesignofthewindturbineTheutilizationratioandthetorquewascomputedatdifferentwindvelocityThecurvesreflectingtherelationbetweenwindwheelvelocityandutilizationratio，torquewerepresented，withthecom

8、parisonofthesecurvesandthegenerator’Sperformancecurves，theresearchforthematchingpropertybetweenthewindwheelandthegeneratorwasfinishedatlastKeyword：H—verticalaxiswindturbine，windwheel，CFDnumericalanalysis，utilizationratio