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조도 및 차양 슬랫 제어에 의한 조명, 냉방 에너지 사용량 변화 연구
송영학,강두호,박형은,김환용 대한건축학회지회연합회 2023 대한건축학회연합논문집 Vol.25 No.3
Energy consumption in the building sector accounts for about 35% of the South Korea’s total, and several policies and new technologies, products for carbon reduction are being introduced into the market. Slat controlled blinds are a type of technology that can actively respond to solar radiation blocking and lighting load reduction by controlling the angle of the slats installed on the windows of the building. In this study, a conventional-type blinds and slat controlled blinds were installed in two actual rooms, and valid data for 74 days including illumination control were operated to determine the effectiveness of performance by control. The indoor illuminance range of the conventional chamber was about 800~3,400 lux, but the slat controlled blinds chamber was formed at 500~1,400 lux, so the illuminance was stably changed, and as a result, it was confirmed that lighting energy was reduced by 81.5%. In addition, due to the effect of blocking solar radiation by slat control, the cooling energy consumption ratio was reduced by 24.3% during the same period. 건축 부문의 에너지 사용량은 우리나라 전체의 약 35%를 차지하고 있으며, 이로 인해 탄소 저감을 위한여러 정책과 신기술, 제품들이 시장에 도입되고 있다. 집광채광 블라인드는 건물의 실내측 창호부에 설치되며 슬랫의 각도를 조절하여 일사 차단 및 조명 부하 저감에 능동적으로 대응가능한 기술의 하나이다. 본 연구에서는 실제 건물에 2개의 챔버를 설치하고 일반형태의 블라인드와 집광채광 블라인드를 각각 설치하고 74일간의 유효데이터를 확보하여 슬랫 각도와 조도 제어의 유효성을 검토하였다. 기존 챔버의 실내 조도 범위는 800~3400lux였으나 집광채광 블라인드 챔버는 500~1400lux로 형성되어 조도의 변화가 안정적이고 에너지 사용량은 81.5% 절감되는 것을 확인하였다. 또한 슬랫제어를 통해 일사차단 효과가 발생하였고 그 결과 냉방에너지 사용량은 약 23.2% 감소하였다.
베네시안 블라인드 슬랫 조절에 따른 에너지 부하의 변동예측
임홍수(Lim Hong-Soo),이정철(Lee Jeong Chul),김곤(Kim Gon) 한국건축친환경설비학회 2008 한국건축친환경설비학회 학술발표대회 논문집 Vol.- No.-
The angles of blinds' slat would change the light environment, so it is necessary to figure out the exact role of the slat adjustment in terms of building energy. As the results of using Radiance and eQUEST program, the angles of blinds' slat for optimal light environment of inside are 30 to 40 degrees in March, 0 degrees in June and 20 degrees in December. In addition, seasonal energy loads of each angles that show the best light environment and the points of energy savings are -20 to 0 degrees in summer and 20 to 40 in winter. However, in the case of 20 to 40 degrees, the opportunity of good view may decrease, compared to when the angle is 0 degrees, and the effect of brightness which stems from slat's surfaces must be considered.
현휘와 에너지성능을 통합 고려한 슬랫형 블라인드의 최적제어 효과에 관한 연구
오명환(Oh Myunh-Hwan),윤종호(Yoon Jong-Ho) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.5
Solar control system is absolutely essential to improve building energy efficiency under the Korean climatic condition which has distinct cooling and heating period. Glass envelope, through which solar heat gain can take place in building, however, is not easy to control. Therefore auxiliary shading devices are necessary to achieve the solar control. Therefore, it is very important to perform research on the high performance shading devices for improving the building energy efficiency because glass envelope is difficult to achieve solar control. According to the advanced research, it is not controled by occupants and is always in the downward position. For solve those problems, the advanced research already have suggested the automated control system of slat-type blind considering visual comport for removing the discomfort glare at window surface and reduction of building energy consumption. As a result, this optimum controled slat-type blind reduced 29.2% energy consumption compared with base case and perfectly removed discomfort glare. Based on this results came up with survey and advanced evaluation, this study purposes to confirm the performance of automated control system of slat-type blind by comparing with 6 alternatives of roll-shade blind classified depending on the visual and solar transmittance. Consequently, this optimum controled slat-type blind reduced energy consumption compared with other roll-shade alternatives and perfectly removed discomfort glare.