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LOWCOSTWINDPOWERCANPROVIDEANEWWINDTURBINEABSTRACTTHEFIRSTGENERATIONOFCOMMERCIALPROLIFERATIONOFENHANCEDWINDTURBINEDAWTINNEWZEALANDHASJUSTBEGUNTRIALOPERATIONTWOYEARS,IFTHEDEVELOPERSTOACHIEVETHEEXPECTEDRESULTS,THISNEWDESIGNOFWINDMACHINESTOBESIGNIFICANTLYREDUCEDCOSTOFWINDPOWERNEWZEALANDINTHEDISTANCEABOUT100KMAOKELANNANTHEWAIKARETUONTOPOFAHILL,AREVOLUTIONARYNEWWINDTURBINEISATWOYEARTRIALOPERATIONTHEWINDMACHINESANDTHEAPPEARANCEOFCONVENTIONALWINDTURBINECOMPLETELYDIFFERENTCOMPAREDTOITSHEIGHTOF17M,MUCHLIKEAJUWUSQUATTEDONTHEPEAK,ANDTHECONVENTIONALWINDTURBINEISASLENDERBODY,TALLANDTOWERINGOVERTHETOPOFTHEHILLTHISISPUTINTOOPERATIONTHEFIRSTGENERATIONOFCOMMERCIALPROLIFERATIONOFENHANCEDWINDTURBINEDAWTDIFFUSERAUGMENTEDWINDTURBINE,IFTHEDEVELOPERSTOACHIEVETHEEXPECTEDRESULTS,WILLLEADTOSIGNIFICANTREDUCTIONINTHECOSTOFWINDPOWERDURINGTHETRIALTHENEWWINDTURBINETECHNOLOGY,CANALSOTESTTHEPROLIFERATIONOFCENTRALCOVERNEWMATERIALS,HIGHSTRENGTHFIBERSTOSTRENGTHENTHESTEELREINFORCEDCONCRETESUCHWINDTURBINEONTHEGROUNDREFERREDTOASCONCRETEWINDTURBINEINBUSINESS,ITISCALLEDVORTEC7OFWINDMACHINES,BECAUSEITHASA7MINDIAMETERROTORWINDMACHINESFROMNEARLY100SMALLINVESTORS,SETUPAPRIVATECOMPANYVORTECENERGYLIMITEDRESPONSIBLEFORTHEDESIGNANDCONSTRUCTION,THECOMPANYRAISED35MILLIONUSDOLLARSDEVELOPMENTOFTHEPROTOTYPEVORTECENERGYLIMITEDISCURRENTLYBEINGFURTHERRAISEABOUT700MILLIONDOLLARSTOBUILDTWOSETSOFROTORDIAMETEROF20MOFTHEUNITONEOFTHENEWUNITSWILLBEINAREASOFHIGHWINDSPEEDTEST,PROBABLYINTHEVICINITYOFWELLINGTON,NEWZEALAND,THEAVERAGEWINDSPEEDINANOTHERAREASOUTHAUSTRALIASTATEGOVERNMENTSAIDTHATTHEDESIGNHASALOTOFINTERESTINADELAIDEANDWILLSPEEDUPTHEINSTALLATIONOFANAVERAGEWINDSPEEDNEARTHECREW,BECAUSETHESTATEGOVERNMENTTHATISARAREWINDOFRENEWABLEENERGY,THENEEDTOPROMOTETECHNICALBREAKTHROUGHSSTATEADVANTAGEOFTHEMORELOWERAVERAGEWINDSPEEDRESOURCEDEVELOPMENTTWONEWTYPEOFROTORDIAMETEROF20MOFTHEUNITAFTERTHESUCCESSFULOPERATION,VORTECENERGYLIMITEDWILLCONSIDERTHEPOSSIBILITYOFNASDAQSTOCKEXCHANGEVORTEC7UNITPERFORMANCEDATASHOWTHATTHEROTORDIAMETEROF20MBELOWTHEDESIGNTO0031USDOLLARS/KWHTHEPRICEOFINTERNETACCESS,ITWILLENABLENEWZEALANDANDWINDPOWERCANCOMPETEEXISTINGPOWERPLANTS,ANDOTHERNEWMETHODSOFPOWERGENERATIONCOMPAREDTOMORECOMPETITIVEIFVORTECFUNCTIONOFWINDPOWERGENERATIONINTHISPRICELEVEL,INTHEDEVELOPMENTOFWINDPOWERWILLRAPIDLYBECOMEAPOWERFULNEWFORCEVORTECENERGYLIMITEDISTHEBACKINGOFENTREPRENEURSROBINJOHANNINK,HESUCCESSFULLYOPERATINGASERIESOFOPERATIONS,BUTALSOPACIFICLITHIUMANEXTRACTFROMSEAWATERLITHIUMCOMPANIESBACKINGJOHANNINK,SAIDVORTECTECHNOLOGYISANINTERNATIONALPRODUCT,BUTTHETECHNOLOGYINTHENEWZEALANDSTOCKMARKETWASONTHERECOGNITIONANDATTENTIONISNOTTOOHIGH,INTHISDIFFICULTMARKETTHEREFOREVORTECENERGYLIMITEDISCONSIDERINGTHENASDAQINNEWYORKSTOCKEXCHANGELISTINGISLIKELYTOACHIEVEIN1999APROLIFERATIONOFTECHNOLOGYUSAEROSPACEGIANTGRUMMANSPACECOMPANYNOWNORTHROPGRUMMANCORPORATIONSPENTEIGHTYEARSDEVELOPINGTHEPROLIFERATIONOFTECHNOLOGYANDAPROLIFERATIONOFENHANCEDWINDTURBINETECHNOLOGYPATENTSITWASTHESPREADOFADETAILEDANALYSISOFFLUIDDYNAMICSANDTHEUSEOFA5MINTHEWINDTUNNELMODELCONFIRMEDTHERESULTSTHEPROLIFERATIONOFWINDTURBINEROTORINTHELOWERREACHES,ANDITSROLEASAWING,THEREARROTORINALOWVOLTAGEPARTSTHISSUCTIONEFFECTEFFECTIVEINAROUNDTHEROTORSPEEDMULTIPLIEDCONVENTIONALWINDTURBINEROTORCANONLYBEEFFECTIVEUSEOFWINDAROUND60PERCENTFIGURE01SHOWAPATTERNOFPROLIFERATIONTHEPROLIFERATIONOFECONOMYISTHEKEYTOTHELOWESTCOSTTOMAXIMIZETHESIZEWINDTUNNELSTUDIESSHOWTHATIN45DEGREEPROLIFERATIONSTRUCTURE,THEWALLOFSURFACEWINDFLOWMAYBETWOSLOTMAINTAINEDBYTHEJETINTHEPROTOTYPE,THETOTALSIZEOFTHESPREADOFFURTHERREDUCTION,THROUGHTHEUSEOFGENERALANDEXPORTSINDIAMETERTHAN30PERCENTOFTHEARCSTRUCTURE,ENHANCETHEHARDNESSOFCENTRALENCLOSURESSOTHATTHEDESIGNHASBEENCHOSENTORECEIVETHEMINIMUMAMOUNTOFMATERIALTHESIZEOFTHEGREATESTPROLIFERATIONVORTECENERGYLIMITEDWASAWARDEDTHENORTHROPGRUMMANCORPORATIONWITHTHEPROLIFERATIONOFTECHNOLOGYFORAPERIODOF20YEARSOFGLOBALPATENTSAND20PATENTSSINCETHERIGHTTOUPDATETHEPERMITNORTHROPGRUMMANCORPORATIONTORETAINTHEIROWNINTERNALUSEOFTHEPROLIFERATIONOFTECHNOLOGYRATHERTHANENHANCETHECOMMERCIALMARKETFORWINDRIGHTSKENNETHFOREMAN,FORMERGRUMMANSPACERESEARCHTEAMLEADER,VORTECENERGYCORPORATIONFORTECHNICALADVICE,VORTECENERGYLIMITEDACCESSTOTHEGRUMMANSPACERESEARCHGROUPEIGHTYEARSONALLTHERECORDS,TESTREPORTSANDPATENTS2MATERIALSTECHNOLOGYGRUMMANSPACERESEARCHGROUPINTHEDEVELOPMENTOFPROLIFERATIONENHANCINGTECHNOLOGIESINTHEFACEOFAPROBLEMISTHATCOMMERCIALSCALEWINDTURBINEMATERIALSMUSTHAVEHIGHSTRENGTHANDLONGLIFE,LOWCOSTFEATURESHAVEALUMINUM,GLASSFIBER,STEELANDREINFORCEDCONCRETEFORTHETRADITIONALASSESSMENTANDACCOUNTING,BUTTHEWINDCANNOTMEETTHEREQUIREMENTSOFECONOMICDEVELOPMENTINALLTHEASSESSMENTMATERIALS,THEMOSTDESIRABLEISREINFORCEDCONCRETE,BUTTHEUSEOFTRADITIONALREINFORCEDCONCRETE,THESIZEOFTHESPREADOFTHEWINDRATEDOUTPUTCANONLYMEET70KWASSMALLSCALEUNITSCANNOTENHANCETHEDIFFUSIONOFTECHNOLOGYBUSINESSDEVELOPMENTNEWZEALANDINTHEUSEOFREINFORCEDCONCRETETOWERSANDTHECONSTRUCTIONOFOCEANGOINGBOATSSUCHEQUIPMENTHASALONGHISTORYONTHISBASIS,THESTRUCTURALENGINEERALEXANDERANDASSOCIATESIN20YEARSHASDEVELOPEDANEWPRODUCTHIGHST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