微型风轮机叶片设计与制造PPT课件

.,1,DesignandManufacturingofaMicroWindTurbineBladeofBiocomposites,.,2,Purposes,MicrowindturbinebladedesignManufacturingexplorationBiomaterialEmbeddedcasting,.,3,Outline,MicrowindturbinebladedesignandprototypemanufacturingMaterialsforsmallwindturbinebladeManufacturingofsmallwindturbinebladesConceptualdesignforsmallbladestructurewithbiomaterialandmanufacturingMicroblademoulddesignandmanufacturingMicroblademanufacturingwithcastingmouldDiscussionsConclusions,.,4,Microwindturbinebladedesignandprototypemanufacturing,Bladeelementmomentummethod(BEM),ProfileforBEM(Burton,etal.,WindEnergyHandbook,2001),.,5,Microwindturbinebladedesignandprototypemanufacturing,Airfoilgeometryandaerodynamics,Airfoilanalysis(Manwelletal.,WindEnergyExplained,2010),.,6,Microwindturbinebladedesignandprototypemanufacturing,Promisingairfoils,.,7,Microwindturbinebladedesignandprototypemanufacturing,Liftanddragcoefficients,.,8,Microwindturbinebladedesignandprototypemanufacturing,Structureandsolidmodel,.,9,Microwindturbinebladedesignandprototypemanufacturing,Rapidprototype,.,10,Materialsforsmallwindturbineblade,Metal:SteelandaluminumGlassandcarbonfibrecompositesGlassfibre:cheapandgoodpropertiesCarbonfibre:ExpensiveandhighpropertiesBothpetro-basedandnotenvironmentalfriendlyWoodandbambooBiocompositesNaturalfibresenforcedFlax,jute,hemp,sisal:NottinghamInnovativeManufacturingResearchCentre(NIMRC)Hemp:RisnationalLaboratory,DenmarkBio-resinEpoxidizedsoybeanoil(ESO)resinandPLAresin:DenmarkESOandanaturalresinfromVenoniainEthiopia(NIMRC).ESOinourlab(Dr.Deka),.,11,Manufacturingofsmallwindturbineblades,Mechanicalfabricating:CNCforwoodHand-lay-up:glassfibre,carbonfibreandwoodepoxyFilamentwinding:petro-basedfibrePultrusionoffiberglass:BergeyInjection:SouthwestWindpowerResinTransferMoulding(RTM):PopularResininfusiontechnology,.,12,Conceptualdesignforsmallbladestructurewithbiomaterialandmanufacturing,Profilestructureforsmallblade,Biocompositedesignforsmallwindturbineblade,.,13,Conceptualdesignforsmallbladestructurewithbiomaterialandmanufacturing,Profileformircrowindturbineblade,.,14,Blademoulddesignandmanufacturing,Threepartmould,Toolsandpreparation,.,15,Blademoulddesignandmanufacturing,Threepartmould,LowermouldThreepartmouldaftersealing,.,16,Blademoulddesignandmanufacturing,Twopartmouldprocessing,PreparationLowermouldUppermouldinprocessing,.,17,Blademoulddesignandmanufacturing,Finaltwopartmould,.,18,Blademanufacturing,Bladeinmould,.,19,Blademanufacturing,Bladebeforedeburring,.,20,Blademanufacturing,Mouldedblade(left)andtheprototypebladeusedtoproducethemould(right),.,21,Discussions,Plasterformould,Brokenmoulds,.,22,Discussions,Bio-resinisthinVacuumorpressurecastingwillworkbetterPlasterisnotgoodenoughforworkingmoreblades,butgoodforonebladewithonemouldMorebiocompositesneedtobefurtherstudied,.,23,Conclusions,Amicrowindturbinebladewasdesigne