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커튼월 시스템 벽체부의 단열재 실내측 마감재 파손 여부에 따른 결로 평가 및 내부결로 방지를 위한 효과적 마감재에 관한 연구
송승영,김광우,여명석,강가영 대한건축학회 2006 대한건축학회논문집 Vol.22 No.8
Inside vapour tightness of the structure is very important to prevent interstitial condensation. In curtain wall system, inside finish material for insulation is often taking a role of vapour retarder. However, inside finish material for insulation is easily torn during the construction period due to its weakness. It may cause vapour diffusion and interstitial condensation. Thus this study aims to suggest the efficient inside finish material for insulation to prevent interstitial condensation in curtain wall system.As results of 2 dimensional unsteady state heat and moisture transfer simulation, it is confirmed that interstitial condensation occurs seriously when the inside finish material for insulation is torn. Aluminum foil adhered to kraft paper or PVC film reinforced with yarn are suggested as alternatives for inside finish material for insulation.
구체형 지열활용 환기시스템의 하계 및 추계 에너지 효율 분석
송승영,송진희,임재한 대한건축학회 2011 대한건축학회논문집 Vol. No.
Ventilation is essential to maintain a healthy indoor environment. However, in summer and winter, thermal conditions of outdoor air are so poor that ventilation cannot but increase energy consumption. Thus, energy-efficient ventilation system is very important. Thermal labyrinth system is a ventilation system which intakes outdoor air through an underground concrete structure shaped like a labyrinth. By the heat exchange with ground, this system can precool and preheat the outdoor air in summer and winter, respectively. The aim of this study is to analyze the energy efficiency of thermal labyrinth system, applied to the E University building recently built in Seoul, in summer and autumn (from Aug. 1 to Nov. 30). As results, it was found that average cooling and dehumidifying effects of thermal labyrinth system in Aug. are 3.7℃ and 3.1gw/kgda (9.92kW and 18.51kW),respectively, and average heating and humidifying effects in Nov. are 8.7℃ and 0.7gw/kgda (19.50kW and 3.89kW), respectively. Total outdoor air sensible and latent, cooling and heating load was found to be reduced by 38.8% through the thermal labyrinth system