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상변화물질을 사용한 시트형 및 파이프형 축열재의 축열성능 평가를 위한 모형실험 연구
고진수,김병윤,박성우,Ko, Jin-Soo,Kim, Byung-Yun,Park, Sung-Woo 대한건축학회 2012 대한건축학회논문집 Vol.28 No.5
In this paper, the phase change material (PCM) to increase the heat capacity of buildings is applied to building materials. The building materials use not only sensible heat but also latent heat so that the building materials are useful to maintain the pleasant indoor environment and to save the building energy. The purpose of this paper is to reduce the greenhouse gases due to building use. The model experimental research results are as follows. (1) The test shows that the sheet or pipe type heat storage materials are effective to reduce the daily temperature range, rather than the standard type. (2) The sheet type material has better capacity than the pipe type material to delay the increase in indoor temperature. (3) The building material mixing the phase change material can be useful to maintain indoor comfortably.
상변화물질을 사용한 시트형 및 파이프형 축열재의 축열성능 평가를 위한 모형실험 연구
고진수(Ko Jin-Soo),김병윤(Kim Byung-Yun),박성우(Park Sung-Woo) 대한건축학회 2012 大韓建築學會論文集 : 構造系 Vol.28 No.5
In this paper, the phase change material (PCM) to increase the heat capacity of buildings is applied to building materials. The building materials use not only sensible heat but also latent heat so that the building materials are useful to maintain the pleasant indoor environment and to save the building energy. The purpose of this paper is to reduce the greenhouse gases due to building use. The model experimental research results are as follows. (1) The test shows that the sheet or pipe type heat storage materials are effective to reduce the daily temperature range, rather than the standard type. (2) The sheet type material has better capacity than the pipe type material to delay the increase in indoor temperature. (3) The building material mixing the phase change material can be useful to maintain indoor comfortably.
콘크리트와 도막 방수층 계면에 발생되는 수증기압에 관한 실험적 연구
고진수 ( Jin-soo Ko ),김문희 ( Mun-hee Kim ),이성복 ( Sung-bok Lee ),신윤호 ( Yun-ho Shin ) 한국건축시공학회 2006 한국건축시공학회 학술발표대회 논문집 Vol.6 No.2
Of the total defects that have occurred recently in the Korean construction market, over 30% are caused by the construction of defective waterproofing, and the phenomenon of air pockets in the waterproofing layer, which is caused by the concrete vapor pressure, is known to be the primary cause of defective waterproofing. Accordingly, in this study the theory about the relationship between water pressure and temperature as well as the damp-proofing volume of concrete and, then, the change of vapor pressure volume was measured and analyzed by making a test sample after spraying a dampness remover and a waterproofing material to a prepared test body. As a result of measuring the water vapor pressure for the surface temperature of the waterproofing layer with the fluid-applied membrane temperature based on about 10℃, which is the average temperature of Seoul, it was found that first, the fluid-applied membrane elevated up to about 40℃, and the water vapor pressure generated from the fluid-applied membrane was about 0.3㎏f/㎠ when the surface temperature of the waterproofing layer was raised up to about 80℃. Second, when the fluid-applied membrane temperature of the waterproofing layer was from 30℃ to 35℃, about 0.1㎏f/㎠ of water vapor pressure was generated, and when supplying a thermal source to raise the fluid-applied membrane temperature of the waterproofing layer from 35 ℃ to 40℃, approximately 0.05㎏f/㎠ of water vapor pressure was generated.
고진수 ( Jin Soo Ko ),최명섭 ( Myoung Sub Choi ),김미옥 ( Mi Ok Kim ) 한국스포츠정책과학원(구 한국스포츠개발원) 2014 체육과학연구 Vol.25 No.4
본 연구의 목적은 생활체육활동 참여율을 높이기 위한 대안 마련을 위해 생활체육활동의 사회인구학적 참여 결정요인을 분석하는데 있다. 이를 위해 2012년 국민생활체육 참여 실태조사자료를 토대로 이분형 로짓분석을 통해 생활체육활동참여 확률모형을 추정하였다. 분석결과, 생활체육시설 참여에 정(+)의 효과를 보이는 결정요인으로는 성(남성), 연령, 교육, 소득, 건강정도, 평일여가시간, 집주변 공공체육시설, 집주변 민간상업체육시설 등으로 분석되었으며, 이 중 50대 이상 연령대와 집주변공공체육시설의 효과가 가장 큰 것으로 나타났다. 본 연구의 시사점으로는 다음과 같다. 첫째, 생활체육활동에 대한 참여율을 높이기 위해서는 수요 측면에서는 기존에 건설된 공급량을 감안하여 성별, 연령대별로 선호하는 공공체육시설의 제공이 필요하며, 특히 50대 이상의 참여율을 유지 혹은 더욱 높일 수 있는 공공체육시설의 제공 혹은 참여율 제고 방안이 필요할 것이다. 둘째, 공급 측면에서는 집주변에 생활체육시설이 많이 공급될 필요가 있으며, 특히, 공공체육시설의 공급이 필요하다. 셋째, 상대적으로 건강이 좋지 않거나, 소득이 낮은 대상을 위한 프로그램의 확충을 통해 소외계층의 생활체육참여율을 높이는 방안 등도 필요하며, 넷째, 평일여가시간을 활용할 수 있는 정책적 유인책도 필요할 것으로 판단된다. This study aims to find the alternative to increase the participation rates of physical activities and to analyze socio-demographic factors that determine sporting participation in Korea. We estimates the sporting participation model with ``2012 national sport participation survey in Korea`` and binary logit analysis. The results are as follows: sporting participation is positively related to gender(male), age, education level, household income, health status, leisure time in weekday, proximity to public and private sports facilities. The most significant factors influencing the raising the participation rates of physical activities factors are age and proximity to sports facilities. Therefore, to make many people to participate in sports activities, we need to supply the public sports facilities that in proximity to house and the facilities needs to be taken into participant``s age such as elderly group. Also, we make effort to improve the accessibility to sports facilities of poor and unhealthy people.
중국 35개 도시 산업구조 다양화와 도시경제와의 관계에 관한 연구
이진 ( Jin Lee ),고진수 ( Jin Soo Ko ) 한중사회과학학회 2015 한중사회과학연구 Vol.13 No.1
The industrial structure is mainly changing to be increasing the proportion of secondary and tertiary industries with high-economic growth and rapid urbanization process in China. Urban industrial structure is one of the important factors associated with urban economy and urbanization process, which can be the base for understanding of the national economy. Therefore, the analysis of urban industrial structure must be preceded in order to more closely understand the situation of China economy. First, this study aims to analyze the changes of diversity index of industrial structure in China’s 35 major cities. Diversification of the industrial structure was analyzed via entropy maximization approach. As the result of the analysis, the diversification of industrial structure is different in each city. The diversity index was the highest in Beijing, was the lowest in Xiamen. Secondly, we realized that the argument with the relationship of diversification of industrial structure and urban economy still exists in theories and preceding researches. Therefore, analyzed that how the argument be applied in Chinese cities via econometric model. The result shows, the lower level of industrial structure’s diversification, the higher level of urban economy in chines cities. Also we find it is more reasonable to consider the economic situation and the characteristics of the city when similar studies are in progress.