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한기흥(Han Ki-Heung),이찬우(Lee Chan-Woo),오일근(Oh Il-keun) 한국철도학회 2000 한국철도학회 학술발표대회논문집 Vol.- No.-
A Development on integration of Railroad System and Production of Proto multiple type vehicle, which can run without change of vehicle or Bogie under running conditions of every countries, are needed for the transportation between Asia and Europe. An integration of Railroad System will benefit not only the transportation costs but also the time drastically, which is very meaningful for the modern international trading.
남성원(Nam Seong-Won),한기흥(Han Ki-Heung) 한국철도학회 2000 한국철도학회 학술발표대회논문집 Vol.- No.-
Experimental study is conducted to clarify pressure variation of the passenger cabin of conventional train. These pressure variation may give rise to the ear-discomfort. Generally ear-discomfort has been considered as a problem related to high speed train. Because there is also a good progress to speed-up for conventional line, this isn"t only a phenomena related to high speed train any longer. In this study, the pressure variation of interior, gangway and exterior of saemaeul passenger car is measured using the atmospheric pressure sensors in Honam line. From the results of experiment, the pressure variation per second almost close in upon the limitation in the case of Noryong tunnel. Therefore, to accomplish speed-up for conventional train, it may be necessary to study a serial ventilating and the airtightness of carbody.
박준서(Park Jun-Seo),한기흥(Han Ki-Heung),김정태(Kim Jeung-Tae) 한국철도학회 2000 한국철도학회 학술발표대회논문집 Vol.- No.-
Standardization EMU in comparison with the existing EMU has been largely changed the material and section profile of the structure as the Aluminium made. This study is analytically predicted the influence of inner noise in tunnel running when the above change is made.
유원희(You Won-Hee),김재철(Kim Jae-Chul),한기흥(Han Ki-Heung),문경호(Moon Kyung-Ho) 한국철도학회 1999 한국철도학회 학술발표대회논문집 Vol.- No.-
The object of this study is to reduce the subway noise by the low noise wheel. The vibro-acoustic reduction was predicted from the FRF difference between low noise wheel and solid wheel by experimental modal analysis. The low noise wheel and solid wheel were compared in viewpoint of car interior/exterior noise. The effect of low noise wheel on the noise of subway train of 6 vehicles was obtained. But, the application of low noise wheel must be reviewed in some aspect.
하인수(Ha Insoo),박철희(Pak Chul-Hui),이우식(Lee Usik),한기흥(Han Ki-Heung) 한국철도학회 1998 한국철도학회 학술발표대회논문집 Vol.- No.-
HVAC systems are used to maintain comfort conditions in occupied spaces. Like rolling noise and aerodynamic noise, noise from the HVAC system of train increases interior noise level. For an appropriate interior noise level, it is necessary first to find noise sources and their propagation paths. Noise emission from the sources and propagation through the propagation paths should be regulated in order to reduce their effect to the interior noise level. In general, the main noise source in the HVAC system is blower which operates at high static pressure. This noise propagates through ducts which are directly connected to the residential area. Since the blower noise can be reduced only to some degree, it is necessary for the propagation paths to have enough noise attenuation. Acoustic properties of ducts are usually found by experimental methods but it is rather difficult and expensive to set up such test equipments. In this thesis, the design and the noise characteristics of TGV-K HVAC system are studied. Finite element method in accordance with experimental method is used to study the acoustic properties of TGV-K duct system.
한기흥,이순흠 순천향대학교 부설 산업기술연구소 1999 순천향 산업기술연구소논문집 Vol.5 No.2
This paper describes an informtion management system which effectively supports business of small to medium size enterprises in local area, using web agent and web application technology. The information management system is designed based on work flow analyses of diverse enterprises in Communication and Information Soonchunhyang Venture Center. The designed 3-tiered system includes clients executing GUI logic, an application server serving business logic, and a component supporting conventional database applications. The system can be used as a effective business supporting system for small to medium size ventures.