http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김남포(Nam-Po Kim) 한국철도학회 2013 한국철도학회 학술발표대회논문집 Vol.2013 No.11
국내 철도 수송 분담률 확대와 선로용량 부족 문제를 해소하기 위해, 국가에서는 이단적재 컨테이너 화차(이하 DST, Double Stack Train)의 도입 운영을 검토 중에 있다. DST 는 컨테이너를 이단으로 적재함으로써 화물 수송량을 획기적으로 증가시킬 수 있는 차량이나, 높이 증가와 중량 증가등으로 기존선로에 적용하는 데 무리가 따른다. 따라서 DST 의 성공적 운행을 위해서는 축중, 전차선 높이, 건축한계, 유효장 제약 등으로 다른 DST 운영국가에 비해 취약한 국내 환경에 적합한 한국형 이단적재열차의 개발이 필요하다고 할 수 있다. 본 논문은 사전적 연구로 진행된 한국형 DST 에 대한 개념 설계의 과정과 그 결과에 대해 기술한다. In order for railways to solve the shortage problems of line capacity as well as to increase the share of freight- market, DST(Double Stack Train) is a very effective way. Therefore the Korean government has been strongly considering the application of DST in Kyung-Bu line. But due to the limit of infrastructure, such as permissible axle load, construction gauge and train length, the new DST suitable for our Railway environment should be developed. This paper shows the new concept of DST as the results of preliminary study.
Experimental Study on the Fatigue Strength of the Bogie Frame for Tilting Railway Vehicles
Kim, Nam Po,Kim, Jung Seok,Seo, Sung Il,Park, Tae Won Trans Tech Publications, Ltd. 2006 Key Engineering Materials Vol.321 No.-
<P>This paper shows the experimental study to evaluate the fatigue strength of a bogie frame for Korean tilting train. The various load cases were established based on the international standard (UIC615-4) and the special tilting load case, which is unique in the tilting train, was derived by dynamic analysis and logical assumption of operation under worst tilting condition. The experimental study was conducted by means of two ways, both static and fatigue loading test. Through the static load test, the safety against fatigue was assessed using Goodman diagram of the material used. The fatigue load test was carried out up to 1x107cycles. The fatigue strength was assessed by fatigue crack inspection by means of NDT test at the stage of 6x106cycles and 1x107cycles.</P>
180㎞/h급 한국형 틸팅차량의 대차후레임 구조해석 및 평가 연구
김남포(Nam Po Kim),문형석(Hyung Suk Mun) 한국철도학회 2003 한국철도학회 학술발표대회논문집 Vol.- No.-
Korea Railroad Research Institute(KRRI) have been developing Korean Tilting Train eXpress(TTX) with the service speed of 180㎞/h as the R&D project supporting by Korea government. The core of research is the development of the tilting bogie using the domestic tilting technologies. We developed the 3D-CAD prototype of tiling bogie model. In this paper we attempted to evaluate the structural strength of bogie frame using the Finite Element Method. Finally, we would like to propose the application of the modifying part to the detail design.
김남포(Nam-Po Kim),김정석(Jung-Seok Kim),서승일(Sung-Il Seo),이수길(Su-Gil Lee),박태원(Tae-Won Park) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.6
The bogie is the one of the most important components in a railway vehicle, as it is to support the car body and to guide the vehicle to the rails, to provide running stability, safety against derailment, better ride comfort, better curving performance. The tilting bogie is the bogie which include the tilting mechanism and tilting actuator within it and the tilting bogie should provide the better curving performance, better stability and ride comfort than conventional bogie as the tilting train run curve track almost 30% faster than conventional train. This paper described the dynamic characteristics of the tilting bogie which was developed as a part of the Korean National R&D project, 200㎞/h tilting train development for the speed-up of conventional railway lines.
김남포(Nam-Po Kim),구동회(Dong-Whe Koo),한형석(Hyung-Suk Han) 한국철도학회 2003 철도저널 Vol.6 No.4
Using a conventional railway, a tilting train was applied as a means of improving vehicle speed during curve negotiation without any modification of infrastructure. As a study for the optimum design of the tilting mechanism of a tilting vehicle, the kinematics sensitivity of the tilting mechanism was analyzed. Using the geometric relationship of the linkage-type tilting mechanism, the relationship of the parameters and the performance index was defined using nonlinear algebraic equations. With the defined relation, the effect of change in the parameters on the performance was analyzed. The analysis result can be used in the optimum design of a tilting mechanism that considers the track environment, vehicle and operational condition in which the tilting vehicle is applied.