Abstract
Abstract Nowadays, to make buildings light weight and aesthetically pleasing, curtain wall structure are commonly used.Therefore, window to wall ratio is increasing, which has caused cooling and heating load in crease in buildings as well.This phenomenon has negative impact from energy point of view. This paper analyzes window and wall convective heatgain when the slat reflectance of external and internal blinds are changed for the better understanding of the fundamentals behind the phenomena. It was observed that, if slat reflectance is increased, window transmitted solar increases and convectionheat rate is clearly affected. Among six surfaces including four walls, ceiling and floor, maximum convection heat rate occurson the south wall in summer. On the other hand, ceiling and floor showed the lowest convection heat gain, since they are shared by adjacent floors. Key words Internal Blind(실내 블라인드), External Blind(실외 블라인드), Slat Reflectance(슬랫 반사율), Cooling and Heating Load(냉난방 부하), EnergyPlus(에너지플러스)†Corresponding author, E-mail:
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