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모의피난실험을 통한 지하철 화재시 안전의식 및 피난지식 수준에 따른 피난시간 분석
강정식(Kang Jung-Sik),윤성환(Yoon Seong-Hwan),이정재(Yee Jurng-Jae) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(계획계)
In this study, 292 people were had a questionnaire about their safety consciousness, knowledge level of evacuation method for emergency, existence and nonexistence of knowledge of self control method of subway door and peformed an experiment on subway fire. The experiment resulting, according to safety consciousness, evacuation knowledge, and the knowledge of self controling method of subway door are follows. (1) The average evacuation time of the group that usually cognize the evacuation for emergency is 85.4sec and 6.2sec faster than the other group(91.6sec). (2) The average evacuation time of the group that has knowledge of evacuation method for emergency is 79sec and 13.7sec faster than the other group(92.7sec). (3) The average evacuation time of the group that has knowledge of self control method of subway door in emergency is 91.1sec and 36.8sec faster than the other group(127.9sec).
하명호(Ha Myeong-Ho),이정재(Yee Jung-Jae) 한국건축친환경설비학회 2011 한국건축친환경설비학회 학술발표대회 논문집 Vol.2011 No.3
This study aimed to evaluate the wind road in the hillside apartment complex in the coastal area by CFD analysis. The results of this study are as follows; The vortex has occurred and fast air streams are locally made in the apartment complex which are analysed by CFD simulation. Also the stagnant now region is widely distributed in the apartment complex. Therefore, the wind road isn't formed properly. In order to make the wind road properly, apartment should have piloties and space out between buildings enough to prevent ventury effect. Also buildings should be arranged that is considered direction of the wind. And the shape of building should be avoided rectangle form.
빌딩엑소더스를 통한 피난시뮬레이션에 있어 적정 시뮬레이션 반복횟수 도출과 적용
이민정(Lee Min-Jung),윤성환(Yoon Seong-Hwan),이정재(Yee Jurng-Jae) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(계획계)
This study aims to discover optimal simulation times in evacuation simulations using buildingEXODUS. After modelling the area, occupants are created according to the cases which are planned by changes of the values of the mobility attribute. In each case, the optimal repetition times are drawn out, and the average of the repetition times of all the cases are decided to be optimal. The optimal repetition times in simulations are defined as the starting point, where the subtraction of the maximum total evacuation times and the minimum total evacuation times repeats same, for at least 5 times continuously. From the simulations in this study, 7 times of the simulations turned out optimal for the reliability of the results. Curve of the average total evacuation times at each value of the mobility attribute fits the equation of ln(y)=6.7553+(0.0140/x), satisfying the R square value of 0.958.
buildingEXODUS를 활용한 행위기반 피난시뮬레이터의 신체 및 심리적 변수에 대한 민감도 분석
윤성환(Yoon Seong-Hwan),이정재(Yee Jurng-Jae),이민정(Lee Min-Jung) 대한건축학회 2009 대한건축학회논문집 Vol.25 No.9
This study aims to analyze how sensitive the attributes of the activity based model are, by simulations. Activity based models can be used to reflect occupants' behavior during evacuation in emergencies. Physical and psychological attributes are selected for the sensitivity analysis, these attributes are mobility, travel speed, agility, response time, drive and patience. The total evacuation time, or simulation results, are analyzed statistically. The results show that mobility responds most sensitively at the level of 0.10 and 0.19, while travel speed turned out most sensitive at the level of 1.00m/s and 1.90m/s. As response time increases, the total evacuation time increases linearly. As the drive range becomes narrower, the average cumulative time increases about 5 seconds, but this does not appear to affect the increase in the total evacuation time. At last, agility and patience turned out to be rather less effective to the results.
김금지(Kim Keum-Ji),카마타요코(Kamata Yoko),이정재(Yee Jung-Jae),윤성환(Yoon Seong-Hwan) 한국태양에너지학회 2009 한국태양에너지학회 학술대회논문집 Vol.2009 No.11월
In this study, we performed urrban climate simulation how both the factor of environmental land and artificial factors influence on the formation of urban temperature. With deducing quantitative data, this study could get more accurate results of the urban temperature using urban climate simulation system. In the case of natural land cover, it appeared that there are effects on the lowering temperature and the lower temperature rate appeared in the water land cover on the whole. This is considered as temperature in water land was low because of the characteristics of water land having evaporation latent heat was high and convective sensible heat was low. In case of building which has building coverage ratio, 5% with 10 floors and building coverage ratio, 15 % with 6 floors, it appears that the temperature in the water land is 33.6 ℃. In case of building coverage ratio 5%, temperature dropped when buildings has more than 4 stories. This is regarded as the size of building is bigger, the temperature dropped in relatively because of the fluctuation of the rate of solar heat from the land. At the present time, the urban temperature are higher because of various artificial factors in the city. With these results, this study supoosed to be a basies of the future studies for considering both the composition of building coverate ratio and floor plan.
TRNSYS를 이용한 사무소 건물의 에너지 절감 요소기술 모듈화를 위한 에너지 성능평가
박헌준(Park Heon-Jun),김승희(Kim Seung-Hee),조수(Cho Soo),이정재(Yee Jung-Jae) 한국건축친환경설비학회 2010 한국건축친환경설비학회 학술발표대회 논문집 Vol.2010 No.10
This study could be simulating through the selecting standard building for energy performance evaluation by modularity of element technologies. The rate of energy saving is studied by analysis about the simulation results of each case. The results of energy analysis for modularity of element technologies are that the case is the highest saving rate as 23.02 percent when PVC composite material curtain walls, illumination level control light and HRVS are so for the case.