Zobrazeno 1 - 10
of 18
pro vyhledávání: '"ChanKyoung Park"'
Publikováno v:
Journal of the Korean society for railway. 16:246-252
The vibration characteristics of railway vehicles are very complex because they are not only dependent on vehicle and track conditions but also on operating conditions. Vibration can cause the failure of rolling stock equipment. To verify that the qu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6d17ea3de680067a8e5b7a836b3e4eb
https://doi.org/10.7782/jksr.2013.16.4.246
https://doi.org/10.7782/jksr.2013.16.4.246
Publikováno v:
Journal of Advanced Mechanical Design, Systems, and Manufacturing. 6:140-148
The overhead pantograph for the high speed train is a mechanical and electrical part mounted on the train roof to supply the train with electrical power from the catenary system. So, the interaction between the pantograph and the catenary system is v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5bf83a0d62ee77f42e0a374dac15d80
https://doi.org/10.1299/jamdsm.6.140
https://doi.org/10.1299/jamdsm.6.140
Publikováno v:
Journal of the Korean society for railway. 14:495-500
In evaluating the ride comfort of railway vehicles, relationship between passenger`s feeling and vibration characteristics is very important because human feeling is dependent on frequency spectrum of vibration. Therefore, the weighing curves in freq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9e62ea3a005b0f50a46e3927d447cd5
https://doi.org/10.7782/jksr.2011.14.6.495
https://doi.org/10.7782/jksr.2011.14.6.495
Publikováno v:
Journal of the Korean society for railway. 14:562-568
Superimposition of horizontal and vertical curves occurs frequently owing to geographical conditions. It may hamper train ride comfort and running safety and inflate maintenance costs. In this study, when the horizontal and vertical curves are superi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ecc62635e55a148c1da8e4292520a2c
https://doi.org/10.7782/jksr.2011.14.6.562
https://doi.org/10.7782/jksr.2011.14.6.562
Publikováno v:
Transactions of the Korean Society of Mechanical Engineers A. 35:827-833
In this study, a simulation model to estimate the current-collection performance of a high-speed train was developed by using a commercial finite element analysis software, SAMCEF. A three-dimensional springDdamperDmass model of a pantograph was crea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab9a63c78cd876b1ab3acb5fd932d0c4
https://doi.org/10.3795/ksme-a.2011.35.7.827
https://doi.org/10.3795/ksme-a.2011.35.7.827
Publikováno v:
Journal of Mechanical Science and Technology. 24:215-218
Robust design for the primary suspension of a railway vehicle was performed according to the optimization of 10 dynamic responses representing driving safety and ride comfort, in which response surface models (RSMs) from the design of experiments (DO
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45aa15691c5c124ce27760f417e9ace1
https://doi.org/10.1007/s12206-009-1131-8
https://doi.org/10.1007/s12206-009-1131-8
Publikováno v:
Journal of Mechanical Science and Technology. 23:938-941
The dynamic performance of railway vehicle is normally expressed as stability, safety and ride comfort, and is affected by mass properties, suspension characteristics, contact mechanism between a wheel and a rail, etc. This paper describes the proced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00f07aef3aa99904470fc3b31b4cade3
https://doi.org/10.1007/s12206-009-0316-5
https://doi.org/10.1007/s12206-009-0316-5
Publikováno v:
Journal of Mechanical Science and Technology. 23:1019-1022
The Korean Train Express (KTX) has opened to commercial traffic since 2004 at a maximum speed of 300 km/h. As the train goes faster, it is necessary to inspect and maintain the rail regularly to secure the safety and reliability of the high-speed rai
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7eddc47fdca35fe8d3d6feebd1305ae
https://doi.org/10.1007/s12206-009-0332-5
https://doi.org/10.1007/s12206-009-0332-5
Autor:
Eun Kyu Kim, Yoon Shon, ChanKyoung Park, Jeoung Ju Lee, Dejun Fu, Chong Seung Yoon, Sejoon Lee, H.C. Jeon, X. J. Fan
Publikováno v:
Materials Science and Engineering: B. 146:220-224
The p-type InP:Zn was prepared by the liquid encapsulated Czochralski method and subsequently implanted with Mn + of 5 × 10 15 cm −2 . The results of energy dispersive X-ray displayed that the concentration of incorporated Mn into InP:Zn is 1 at.%
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a2c2abe2381b6067777671e6162b7e2
https://doi.org/10.1016/j.mseb.2007.07.093
https://doi.org/10.1016/j.mseb.2007.07.093
Autor:
Yoon Shon, Seung-Woong Lee, ChanKyoung Park, T. W. Kang, D. Y. Kim, Sejoon Lee, Chong Seung Yoon, Euikwoun Kim, H.C. Jeon, Jeoung Ju Lee
Publikováno v:
Applied Surface Science. 254:494-498
InMnP:Zn epilayers doped with Mn (0.290 at.%) were annealed at 723–873 K for 60 s and 473–573 K for 30 min. Using Auger electron spectroscopy, the changes in concentration profiles of the epilayers correlated to the ferromagnetic origin as a func
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae3ce2e35bcbb8c6c88b3d0d64bc2b86
https://doi.org/10.1016/j.apsusc.2007.06.020
https://doi.org/10.1016/j.apsusc.2007.06.020