200kW 탑형 태양열발전시스템을 위한 Heliostat 반사면 구조 설계
Design of Structure of Heliostat Reflective Surface for 200kW Tower Type Solar Thermal Power Plant
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참고문헌
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초록
Heliostatinthetowertypesolarthermalpowerplantisasuntrackingmirrorsystem toreflectthesolarenergy tothereceiverandtheopticalperformanceofitaffectstotheefficiencyofwholepowerplantmostsignificantly. Thusaproperdesign ofstructureoftheheliostatreflectivesurfacecouldbethemostimportantstepin the constructionofsuchpowerplant. Theworkpresentedhereisadesignofstructureofopticalsurfaceofheliostat,whichwillbeusedin200kW solarthermalpowerplant.Thereceiverlocatedat43(m)highfrom groundintowerhas2x2(m)rectangularshape. Wefirstdevelopedthesoftwaretooltosimulatetheenergyconcentrationcharacteristicsofheliostatusingtheray tracingtechnique.Then,theshapeofheliostatreflectivesurfaceisdesignedwiththeconsiderationofheliostat's energyconcentrationcharacteristics,productioncostandproductivity.Thedesignedheliostat'sreflectivesurface hasastructureformedbycantingfourof1x1(m)rectangularflatplatemirrorfacetandthecenterofeachmirror facetislocatedonthesphericalsurface,wherethesphericalsurfaceisformulatedbythemirrorfacetmounting frame.
Abstract
Heliostatinthetowertypesolarthermalpowerplantisasuntrackingmirrorsystem toreflectthesolarenergy tothereceiverandtheopticalperformanceofitaffectstotheefficiencyofwholepowerplantmostsignificantly. Thusaproperdesign ofstructureoftheheliostatreflectivesurfacecouldbethemostimportantstepin the constructionofsuchpowerplant. Theworkpresentedhereisadesignofstructureofopticalsurfaceofheliostat,whichwillbeusedin200kW solarthermalpowerplant.Thereceiverlocatedat43(m)highfrom groundintowerhas2x2(m)rectangularshape. Wefirstdevelopedthesoftwaretooltosimulatetheenergyconcentrationcharacteristicsofheliostatusingtheray tracingtechnique.Then,theshapeofheliostatreflectivesurfaceisdesignedwiththeconsiderationofheliostat's energyconcentrationcharacteristics,productioncostandproductivity.Thedesignedheliostat'sreflectivesurface hasastructureformedbycantingfourof1x1(m)rectangularflatplatemirrorfacetandthecenterofeachmirror facetislocatedonthesphericalsurface,wherethesphericalsurfaceisformulatedbythemirrorfacetmounting frame.
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