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초고층 공동주택의 USN기반 피난시스템 도입을 위한 수직적 피난위계 설정에 관한 연구
홍원화,전규엽,최준호,Hong, Won-Hwa,Jeon, Gyu-Yeob,Choi, Jun-Ho 한국주거학회 2007 한국주거학회 논문집 Vol.18 No.5
The purpose of this study is to secure an evacuation time and to ensure safety by using an Ubiquitous Sensor Network computing when a fire breaks out at a super high-rise apartment housing. A super high-rise apartment housing that is a type of building to solve the problem of separation of the urban function and the phenomenon of hollowing out downtown has been on the increase, high-rise apartment housings occupying 52.7% of whole housings in 2005. However, if a fire breaks out, there would be serious damage since it accommodates many people and facilities as existence of vertical gigantism in the city. The architectural law in force has no clause on it which is universally applicable to general building, it is difficult to be applicable to a densely super high-rise apartment housing and there would be in danger of a resident's evacuation in the fire. Therefore, as a previous study to introduce an USN-based fire-warning facility and evacuation equipment, this study shows the improvement way after analyzing factors that are barriers to evacuaee's behavior of a super high-rise apartment housing and also shows establishment of the grade of vertical evacuation rank by SimuleX, one of the best computer simulation program.
홍원화(Hong Won-Hwa),이춘미(Lee Choun-Mi),김주영(Kim Ju-Young),조수(Cho Soo) 대한건축학회 2008 대한건축학회논문집 Vol.24 No.11
The For the last half a century, Korea has been experiencing rapid economic growth and industrialized development, however they cause serious problems that environmental pollution and energy shortage have appeared, and the biggest problem that Koreans are now confronted are required solutions throughout the world. At that time, Korea's energy consumption ranks 10th in the whole world. Among them, energy for buildings, about 25% of the total amount of energy consumed in Korea, is very serious. Especially, the energy consumption of school buildings, which have a heating & cooling system according to improvements of the educational environment, is rapidly increasing. These features are explicit in the University, Because it has lots of colleges and facilities for lecture, experiment, and research. In this paper, the energy consumption of Kyungpook National University which is at Daegu, Korea was investigated. This study attempts to appoint the place which is one of University and to investigate the characteristics of energy consumption like electricity, gas, oil. Using the investigation results, we can obtain the overall trend of energy consumption of the university and provide important data basis to guide rebuild and extend construction of school in the future.
박원규(Won-kyoo Park),이대명(Dae-myung Lee),홍원화(Won-hwa Hong) 한국생산제조학회 2010 한국공작기계학회 추계학술대회논문집 Vol.2010 No.-
Ultra-precision machining technology is the essential core technology in today's micro-electronics and electro-optical industries. The needs for processing systems to manufacture products to nanometer(nm) accuracy and sub-nanometer resolutions are increased recently. By using ion beam, it is possible to fabricate ultra-precision and ultra-fine products with nm accuracy and sub-nm resolution. In this paper, the basic research trends of ultra precision machining technology in domestic are surveyed, and the ways to reach to the world-leading level of basic research capabilities in the field of ultra-precision machining technology in domestic is suggested.
김유란,홍원화,서윤규,전규엽,Kim, Yu-Lan,Hong, Won-Hwa,Seo, Youn-Kyu,Jeon, Gyu-Yeob 한국주거학회 2011 한국주거학회 논문집 Vol.22 No.6
Korea is a country with an exceptionally high energy consumption. For economic reasons, Korean households are forced to save more energy. Korea's household energy consumption has grown slowly compared to other sectors and household energy consumption per capita is lower than the OECD average. However, its per capita electricity consumption soared and is expected to remain climbing mainly due to the increasing number of one-person households. To establish an effective strategy against a possible electricity shortage, the actual condition survey of electricity energy consumption first needs to be clearly understood. This study adopted both a general survey and a detailed survey of people living in apartment housings and data was collected on electrical appliance use according to individual schedules. Based on these data, the results were used to attempt to analyze electricity consumption patterns resulting from energy using activities of residents and to determine electricity consumption propensity according to each household member's characteristics in apartment housings.
침수 시 주거용 건축물에서 대피시설로의 접근 취약성 분석을 통한 피난경로 확보방안 - 대구시 북구 침수 사례지를 중심으로 -
이지수,홍원화,김광섭,Lee, Ji-Soo,Hong, Won-Hwa,Kim, Gwang-Seob 한국주거학회 2012 한국주거학회 논문집 Vol.23 No.5
Recently, there have been frequent occurrence of the damage to lives and properties due to the torrential rain caused by climate change. In consideration of the current situations in which the underlying data related to flooding are lacking, this study conducted to build up the basic data on the flooded areas and suggested methods to secure the evacuation routes that can be accessible to evacuation facilities in the residential buildings. Methods of the study are as follows. First, We calculated the flood risk grades of residential buildings based on elevations, considering the flooding characteristics of the flooded areas in Buk-gu, Daegu. Second, We constructed baseline data on the evacuation routes through site investigation and reviewed of drawing using Arc GIS to identify vulnerability to access to the evacuation facilities, targeting the residential buildings. Third, We carried out the proximity analysis through a near analysis of analysis functions in ARC GIS. Forth, We deduced 115 residential buildings in which access to evacuation facilities is considered to be difficult based on the analysis results. Finally, We proposed extension of a blind alley as a means for achieving connectivity to evacuation facilities. And to evaluate the alternatives presented, we reconstructed route data. As a result, about 53% improvement was identified through the proximity analysis.