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내 · 외부 블라인드 운영방법과 창호성능에 따른 건물에너지 성능 평가 연구
윤여범(Yoon, Yeo-Beom),김동수(Kim, Dong-Soo),박장우(Park, Jang-Woo),이광호(Lee, Kwang-Ho) 대한건축학회 2013 대한건축학회논문집 Vol.29 No.7
As the building energy consumption is being elevated, a variety of methods to reduce the building energy have been suggested these days. Due to the increased usage of curtain-wall system, the solar penetration into the space has significantly increased, causing both visual and thermal discomfort. The shading device has been considered to be one of the effective ways to resolve the discomfort issues. This study investigated the heating and cooling load variations with regard to the blind location, operation and slat reflectance. The impact of the different glazing types was also investigated. EnergyPlus simulation model was verified against the mock-up measurement data and the parametric analysis was performed using the verified simulation model. The results show that the exterior blind turned out to reduce the annual heating and cooling load by 9%, which is larger than that of the interior blind.
동양회화에 나타난 기(氣) 개념 고찰 -서권기(書卷氣)를 중심으로-
윤여범 ( Yeo Beom Yoon ) 한국동양예술학회 2014 동양예술 Vol.25 No.-
Attaching importance to the artist’s personality in appreciating and criticizing a work of art can be regarded as a characteristic of Oriental art. This feature is made possible through an idea that the artist’s spirit is delivered to the substance of his or her work through drawing a picture and the appreciator can receive that through his or her appreciation of it. This paper confirms such thinking in a concept of ‘ Qi (氣).’ Qi is a unique idea of the Orient, which has a profound impact on Oriental culture, and the i say that it is characterized by ‘universality (普遍性)’ that it exists in all things, including the human spirit and ‘communicability (疏通性)’ that it moves between the things unhindered. Since this Qi was reflected in the arts, Oriental art came to consider the delivery of the artist’s spirit most important. Accordingly, reading that enhances the writer’s spirit forms a great part of the creation and criticism of a literary work, and in the process, a term, ‘ Shujuanqi (書卷 氣)’ appeared. Especially, Shujuanqi , which was crystallized as an aesthetic criterion after the Qing period can be said to best show differentiated aesthetic consciousness of oriental art.
실내·외 블라인드의 Slat 반사율에 따라 창호 일사투과량 및 그에 따른 벽체 대류열획득량 분석
현인탁(In-Tak Hyun),이재호(Jae-Ho Lee),윤여범(Yeo-Beom Yoon),이광호(Kwang Ho Lee) 대한설비공학회 2014 설비공학 논문집 Vol.26 No.12
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 heat gain 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 convection heat rate is clearly affected. Among six surfaces including four walls, ceiling and floor, maximum convection heat rate occurs on 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.