광선추적기법을 활용한 곡면형 광선반시스템 설계 및 채광성능 평가
Evaluation of Daylighting Performance and Design of a Curved-Lightshelf by the Ray Tracing Method
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초록
Thelightshelfsystem reducesintenseillumination levelsofindoorfrom directsun lightandreflecttolead diffusedlightintoindoordeeply.Thisstudy aimstodesign acurved-lightshelfby aray tracing methodand evaluatethedaylightingperformanceofwindow integratedwiththecurved-lightshelfbycomputersimulations. Forthispurpose,evaluationtestmodelwasdesignedfortheexperimentstovalidatethesimulationmodel,and thecurved-lightshelfwasdesignedbytheraytracingmethodusingEcotect.Aftertheofficemodelwasdesigned using3D simulation,theaverageindoorilluminance,luminanceanddistributionofilluminancewereevaluatedby simulation which hasaalgorithm ofRadiosity and Ray-Tracing method underfourdifferentcases(case1;no lightshelf,case2;Flatboard,case3;tiltedat30ºangle,case4;thecurved-lightshelf).Asresults,itturnsoutthat case1showedhigheraverageilluminanceandcase4wasmoreuniformly distributedthancase2andcase3,In addition average luminanceofcase1 was also lower.indicating thatthe curved-lightshelfwould reducethe possibilityoftheglare,whilemaintainingthesufficientdaylightlevel
Abstract
Thelightshelfsystem reducesintenseillumination levelsofindoorfrom directsun lightandreflecttolead diffusedlightintoindoordeeply.Thisstudy aimstodesign acurved-lightshelfby aray tracing methodand evaluatethedaylightingperformanceofwindow integratedwiththecurved-lightshelfbycomputersimulations. Forthispurpose,evaluationtestmodelwasdesignedfortheexperimentstovalidatethesimulationmodel,and thecurved-lightshelfwasdesignedbytheraytracingmethodusingEcotect.Aftertheofficemodelwasdesigned using3D simulation,theaverageindoorilluminance,luminanceanddistributionofilluminancewereevaluatedby simulation which hasaalgorithm ofRadiosity and Ray-Tracing method underfourdifferentcases(case1;no lightshelf,case2;Flatboard,case3;tiltedat30ºangle,case4;thecurved-lightshelf).Asresults,itturnsoutthat case1showedhigheraverageilluminanceandcase4wasmoreuniformly distributedthancase2andcase3,In addition average luminanceofcase1 was also lower.indicating thatthe curved-lightshelfwould reducethe possibilityoftheglare,whilemaintainingthesufficientdaylightlevel
참고문헌 (10)
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