小型H型垂直軸風(fēng)力發(fā)電機(jī)氣動(dòng)性能分析.pdf

1、西南交通大學(xué)碩士學(xué)位論文小型H型垂直軸風(fēng)力發(fā)電機(jī)氣動(dòng)性能分析姓名：鄭云申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械電子工程指導(dǎo)教師：柯堅(jiān)20081201西南交通大學(xué)碩士研究生學(xué)位論文第lI頁(yè)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