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정화식(Jung Hwa-Sic),박경봉(Park Kyeong-Bong),박재홍(Park. Jae-Hong) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
The passenger side entrance door is very important system that make boarding and getting off the passengers. During the passenger door closing there is some obstacles between door panels passenger door can detect the obstacle and obstacle is remained between door panels vehicle can no possible to move. But passenger door can not detect the obstacle if obstacle is too thin such as clothes and belts. So anti-drag system is applied the to make detect these thin obstacle. Therefore we survey the characteristic function and its activation scenario of anti-drag system and present the passenger door system that latest applied anti-drag system that can be a help to make design
철도 차량의 HVAC 위치에 따른 공기조화 시스템 및 Air Duct 구조의 특성에 관한 고찰
정화식(Jung Hwa-Sic),박재홍(Park Jae-Hong),염규학(Yeom Gyu-Hak) 한국철도학회 2007 한국철도학회 학술발표대회논문집 Vol.- No.-
The HVAC and the air duct is to make optimal indoor environment. By the HVAC position, method and the air duct construction, the important elements can affect on cooling performance, passengers" convenience, and energy efficiency. According to this, there are features, such as the indoor temperature distribution, cooling performance, velocity distribution from diffuser, tend to be come out variously. Also, comparing and analysing temperature distribution, cooling performance, air velocity, noise based on the real practical vehicle tests, it shows features in detail. Besides, it can lead to make design the system of HVAC & air duct effectively.
정화식(Jung Hwa-Sic),김인용(Kim In-Yong),박종천(Park Chong-Chon) 한국철도학회 2009 한국철도학회 학술발표대회논문집 Vol.2009 No.5월
The Emergency Exit System is evacuation equipment that operated by crew or passenger when emergency state such as fire, accident, etc in the rolling stock. Generally front emergency exit is installed in the drivers area and it is isolated to passenger area, so its design is little big easy. But front emergency exit that is installed in driverless vehicle have to consider not only anti-vandalism and failure but also its design because it is installed in the passenger area. Therefore, we survey the characteristic, function and needed condition the emergency front exit of driverless vehicle and present the developing system that can be a help to make design.