涡脱落对5千瓦H型垂直轴风力机影响的研究.pdf

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1、⺅༛ᆖս䇪᮷⏗㝧㩳ሯ5ॹ⬜Hශම⴪䖪伄࣑ᵰᖧଃⲺ⹊ガSTUDYOFTHEEFFECTOFVORTEXSHEDDINGONA5KWH-TYPEVERTICALAXISWINDTURBINE⦻ᔪᆷ૾ቊ┞ᐛѐཝᆜ2015ᒤ12ᴸഭ޵മҖ࠶㊫ਧ˖TK83ᆖṑԓ⸱˖10123ഭ䱵മҖ࠶㊫ਧ˖532ᇶ㓗˖ޜᔰᐕᆖ⺅༛ᆖս䇪᮷⏗㝧㩳ሯ5ॹ⬜Hශම⴪䖪伄࣑ᵰᖧଃⲺ⹊ガ⺋༡⹊ガ⭕˖⦻ᔪᆷሲᐾ˖ઘ䎵㤡ᮉᦸ⭩䈭ᆜփ˖ᐕᆖ⺅༛ᆜ〇˖ᵪỠ⭥ᆀᐕ〻ᡶ൞ঋփ˖␡⹄ウ⭏䲒ㆊ䗟ᰛᵕ˖2015ᒤ12ᴸᦾҾᆜփঋփ˖૸ቄ┘ᐕъབྷᆖClassifiedIndex:TK8

2、3U.D.C:532DissertationfortheMasterDegreeinEngineeringSTUDYOFTHEEFFECTOFVORTEXSHEDDINGONA5KWH-TYPEVERTICALAXISWINDTURBINECandidate˖WangJianyuSupervisor˖Prof.ZhouChaoyingAcademicDegreeAppliedfor˖MasterinEngineeringSpeciality˖MechatronicEngineeringAffiliation˖ShenzhenGra

3、duateSchoolDateofDefence˖December,2015Degree-Conferring-Institution˖HarbinInstituteofTechnology૸ቄ┘ᐕъབྷᆖᐕᆖ⺅༛ᆖս䇪᮷᪎㾷仾㜭ԕަ␵⌱ᙗǃਟ޽⭏ᙗˈԕ৺ᰕ⳺ᡀ⟏Ⲵབྷ㿴⁑⭘ᢰᵟˈ仾࣋ਁ⭥ᡀѪᴰާਁኅࡽᲟⲴ␵⌱ਁ⭥ᖒᔿDŽُࠝн䴰㾱ሩ仾ˈ喯䖞㇡ㅹ䟽ර䇮༷н⭘᭮㖞൘ࠐॱ㊣儈オᵪ㡡ѝˈ᭩᭮൘ൠ䶒ㅹՈ࣯ˈ඲ⴤ䖤仾ᵪሶᡀѪᯠර儈᭸仾⭥ᵪ㓴Ⲵ⹄ウᯩੁDŽնަ⍱൪㔃ᶴ༽ᵲˈᱟབྷ࠶⿫䶎ᇊᑨ⍱ࣘⲴިරDŽ⍱㓿ຄᷦ/䖜䖤≄⍱ӗ⭏ઘᵏᙗ᯻⏑㝡㩭ˈ䙐ᡀ仾࣋ᵪᥟࣘ

4、৺ਈᖒˈሩ㔃ᶴ࣋ᆖᙗ㜭ᴹᖸབྷᖡ૽DŽഐ↔ˈ⹄ウ⏑㝡㩭ሩ඲ⴤ䖤仾ᵪⲴᖡ૽ާᴹ䟽㾱᜿ѹDŽ᮷ѝԕ5ॳ⬖Hර඲ⴤ䖤仾࣋ᵪѪ⹄ウሩ䊑ˈ䟷⭘䇑㇇⍱փ࣋ᆖ˄CFD˅ᯩ⌅ሩ⏑㝡㩭ᖡ૽䘋㹼࠶᷀ˈᒦᓄ⭘ANSYSሩ⏑㝡㩭ӗ⭏Ⲵᖡ૽䘋㹼࠶᷀DŽѫ㾱⹄ウ޵ᇩྲл˖ṩᦞ仾࣋ᵪสᵜ⨶䇪ˈᆼᡀ5ॳ⬖Hර඲ⴤ䖤仾࣋ᵪ䘋㹼৲ᮠ䇮䇑˗ሩ䜘Ԧ䘋㹼ਇ࣋࠶᷀ˈᒦ䘀⭘ANSYS䘋㹼ᴹ䲀䶉࣋ᆖṑṨDŽሩҾ仾࣋ᵪ⏑㝡㩭䰞仈ˈ䘀⭘CFDࡽ༴⨶䖟ԦGAMBITᔪ・ҶҼ㔤仾࣋ᵪ⁑රˈ࡙⭘FLUENTˈ䘹⭘SSTk-w⑽⍱⁑ර≲䀓нਟ঻㕙㋈ᙗ⍱փNavier-Stokesᯩ〻ᗇࡠҶн਼仾䙏л

5、⍱൪৲ᮠDŽ࠶᷀㺘᰾൘仾࣋ᵪ↓ᑨ䘀䖜㤳ത޵ˈ⍱㓿ຄ઼ᷦ䖜䖤Ⲵઘᵏᙗ⏑㝡࣋ሶ䈡ਁ⏑◰ޡᥟˈ䘋а↕ᗇࡠҶ⏑◰ޡᥟ䈡ਁл㔃ᶴ૽ᓄ⣦ᘱDŽሩҾ䖜䖤ӗ⭏Ⲵ⏑㝡㩭ሩ仾࣋ᵪ仾㜭࡙⭘⦷ᖡ૽Ⲵ⹄ウˈ䟷⭘CFDᢰᵟ䘋㹼ᮠ٬⁑ᤏ࠶᷀ˈᗇࡠҶ䖜䖤ⴤᖴਈॆሩ仾㜭࡙⭘⦷Ⲵᖡ૽㿴ᖻ˗⍱൪࠶᷀㔃᷌ᱮ⽪ᆈ൘аᇊᕪᓖⲴ⏑㝡Պࠫᢃࡠਦ⡷㺘䶒ˈᗇࡠҶ⏑㝡㩭ሩਦ⡷㺘䶒঻࣋ਈॆԕ৺ᓄ࣋ᓄਈਈॆᖡ૽ˈѪਦ⡷⯢ࣣሯભ࠶᷀ᨀ׋Ҷаᇊ৲㘳DŽ㔬кᡰ䘠ˈᵜ᮷䘀⭘ᮠ٬⁑ᤏо⨶䇪࠶᷀⴨㔃ਸ⁑ᔿˈ⹄ウ⏑㝡㩭ሩHර඲ⴤ䖤仾࣋ᵪᙗ㜭Ⲵᖡ૽ˈᗇࡠҶ⏑㝡㩭ሩ仾࣋ᵪ䖜䖤ǃຄᷦ৺ਦ⡷㔃ᶴ࣋ᆖᙗ㜭Ⲵᖡ૽ˈѪH

6、ර඲ⴤ䖤仾ᵪ䇮䇑ᨀ׋ᑞࣙˈᒦᴹࣙҾHර඲ⴤ䖤仾࣋ᵪḷ߶㿴㤳ⲴࡦᇊDŽഐ↔ˈᵜ᮷⹄ウᡀ᷌ާᴹаᇊ⨶䇪᜿ѹ઼ᐕ〻ᓄ⭘ԧ٬DŽީ䭤ᆍ˖Hර඲ⴤ䖤仾࣋ᵪ˗⏑㝡㩭˗⏑◰ᥟࣘ˗仾㜭࡙⭘⦷-I-૸ቄ┘ᐕъབྷᆖᐕᆖ⺅༛ᆖս䇪᮷AbstractWindpowerhasbecomeincreasinglythemostpromisingwayofcleanpowergenerationinthefieldofnewenergybecauseofitsdistinguishingfeaturesofclean,renewableanditslarge-sc

7、aleapplicationtechnologymaturing.Theverticalaxiswindturbines(VAWTs)donotneedtoadjustthedirectionofthewindandgenerators,gearboxesandotherequipmentscanbeplacedontheground,etc.AllofthesemakeVATWsbecomethedevelopmenttrendofnewtypeandhighefficientwindturbines.Buttheflowstr

8、uctureofVAWTiscomplex.Itisatypicallargeseparationunsteadyflow.Airflowpassingthroughtowerorrotorshaftwillgenerateperiodicvort