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주거용 건물 유형별 자연환기시스템의 최적 설계 및 해석
최경석(Gyeong-Seok Choi),정영선(Young-Sun Jeong),강재식(Jae-Sik Kang),이승언(Seung-Eon Lee),정영용(Yeong-Yong Jeong) 대한설비공학회 2009 대한설비공학회 학술발표대회논문집 Vol.2009 No.-
On account of Indoor Air Quality(IAQ) deterioration by reason of high insulation and air tightness for energy saving, absence of energy efficiency ventilation system development that can be domestic existing window system, the cost increase and the energy addition loss by mechanical ventilation for IAQ improvement, the ventilation obligation making design standard was prepared by a social and technical background and the necessity. In this study, an optimized design and simulation Analysis of natural ventilation window system classfied by Apartment type was evaluated by CFD Computational analysis.
최경석(Choi, Gyeong-Seok),강재식(Kang, Jae-Sik),최현중(Choi, Hyun-Jung),김유민(Kim, Yu-Min) 대한건축학회 2016 대한건축학회 학술발표대회 논문집 Vol.36 No.2
The demands for the better quality of the apartments have been increased in Korea. But the underground core area in apartment housing causes dissatisfaction because condensation can be occurred in the summer. The condensation reduction device was suggested to reduce the condensation in the underground core area. The device artificially leads the condensation with the cool surface of the underground structure to reduce the absolute humidity ratio. In this study, to evaluate the performance of dehumidification, mock-up test was conducted with the condensation reduction device and dehumidifier.
최경석(Gyeong-Seok Choi),손장열(Jang-Yeul Sohn) 대한설비공학회 2010 설비공학 논문집 Vol.22 No.6
The purpose of this study is to accomplished an in-site evaluation method for existing building insulation status using Infra-red camera and to consider improvement performance to prevent condensation and draw the optimum insulation design method for building using simulation tool. The research contents of this study are to evaluate validity and suitability of building insulation defect survey using Infra-red camera for apartment housing with temperature and heat flow pattern analyze method. Based on this research, the three corners, weak part in condensation, were selected in apartment building and conducted simulation by three-dimensional steady state. From the results, it is required to strengthen insulation design, and it is founded thatexisting insulation system typically applied to most Korean apartment housings have serious insulation defect that insulation is disconnected by structural components at the joints of wall-slab and wall-wall in envelope. Thus, it is considerate to need a concrete technology improvement.
경량기포콘크리트 대체 패널공법 적용에 따른 바닥충격음 및 단열성능 평가에 관한 연구
최경석(Choi Gyeong-Seok),최현중(Choi Hyoun-Joung),김경우(Kim Kyoung-Woo),강재식(Kang Jae-Sik),양관섭(Yang Kwan-Seop) 한국건축친환경설비학회 2007 한국건축친환경설비학회 학술발표대회 논문집 Vol.- No.-
Ondol is a traditional Korean heating system with a long history. The ondol heating system is a default in ordinary houses and high-rise apartments alike. A new system capable of freely changing the interior space is being developed as exemplified by the prevalence of the dry process due to the popularity of high-rise buildings, and SI housing. However, as ondol uses cement and water, it is heavy and needs curing time, which is a shortcoming. This study examined a new ondol system that answers the call of the times by improving the existing concept of ondol. The floor impact sound isolation and thermal performance of the panel-type structure using Styrofoam granules, cement and plaster was examined.
전동 블라인드 내장형 창호시스템 적용에 따른 공동주택 에너지 성능평가 연구
최경석(Gyeong-Seok Choi),손장열(Jang-Yeul Sohn) 대한설비공학회 2010 설비공학 논문집 Vol.22 No.7
Although recently revised building code requires 15~20% increased thermal insulation performance for window systems, since the code is focusing on winter heat loss, it is not satisfactory to contribute on reducing rapidly rising cooling load in summer. Window systems have great impact on building heat gain and loss. Therefore technological development for window system specialized in shading solar gain in summer is an urgent matter. This study evaluates the performance of sun shading and thermal insulation for blind integrated window system. Also, computer simulation evaluates the effect of heating and cooling energy consumption reduction for an individual unit(floor area of 85㎡) of a multi-family housing. Physibel Voltra, a heat transfer analysis software, was used to analyse the effect of energy consumption reduction, and the energy load was converted to the cost to compare the actual effect of economical benefit.