Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Hee-Jae Ahn"'
Autor:
Hyun-Seok Kim, YoungMu Jeon, Hyunsun Han, Kimin Kim, KwangPyo Kim, Heungsu Kim, Tongnyeol Rhee, Juhyung Kim, Junghee Kim, Dongcheol Seo, Eunnam Bang, Hee-Jae Ahn, Hyun-Sik Ahn, Jaesic Hong, Jinhyun Jeong, Jongdae Kong, Jong-Gu Kwak, Jongkook Jin, Jungyo Bak, Kaprai Park, Kyu-Dong Lee, Mi Joung, Sang Woo Kwag, Sang-Hee Hahn, SangKyeun Kim, Si-Woo Yoon, Sonjong Wang, Woong Chae Kim, Young-Ok Kim, KSTAR Teams
Publikováno v:
Nuclear Fusion, Vol 64, Iss 1, p 016033 (2023)
High-performance long-pulse plasma operation is essential for producing economically viable fusion energy in tokamak devices. To achieve such discharges in KSTAR, firstly, the rapid increase in the temperature of plasma-facing components was mitigate
Externí odkaz:
https://doaj.org/article/0e387a676a954a87883fa8aedb4b35a2
Autor:
Hee-Jae Ahn, Hyun-Ki Park, Young-Ok Kim, Hyunjung Lee, Seokho Nam, Hirofumi Yonekawa, Yong Chu, Kwang Pyo Kim, Kaprai Park, Si-Woo Yoon
Publikováno v:
IEEE Transactions on Applied Superconductivity. 33:1-4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3fa25c18e8770c22061a8a599b8b0ec8
https://doi.org/10.1109/tasc.2023.3244154
https://doi.org/10.1109/tasc.2023.3244154
Autor:
Hirofumi Yonekawa, Seokho Nam, Yong Chu, Hyunjung Lee, Hee-Jae Ahn, Youngok Kim, Kwangpyo Kim, Kaprai Park
Publikováno v:
IEEE Transactions on Applied Superconductivity. 33:1-4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b804be076fcf04f1ac8cf0fee17532d0
https://doi.org/10.1109/tasc.2023.3241267
https://doi.org/10.1109/tasc.2023.3241267
Autor:
Hee-Jae Ahn, Il-Ho Kim
Publikováno v:
Korean Journal of Metals and Materials. 60:593-600
In this study, mechanical alloying was performed to synthesize permingeatite Cu3Sb1-x-ySnxBiySe4 (0.02 ≤ x ≤ 0.06 and 0.02 ≤ y ≤ 0.04) doped with Sn and Bi. Hot pressing was subsequently conducted to achieve dense sintered bodies. When the Bi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f85b765bdd4e54c3b4bdc95987d40214
https://doi.org/10.3365/kjmm.2022.60.8.593
https://doi.org/10.3365/kjmm.2022.60.8.593
Autor:
Hee-Jae Ahn, Il-Ho Kim
Publikováno v:
Korean Journal of Metals and Materials. 59:724-731
In this study, tetrahedrite compounds doped with Sn were prepared by mechanical alloying and hot pressing, and their charge transport and thermoelectric properties were analyzed. X-ray diffraction analysis revealed that both the synthetic powders and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::416869789bce31d5141b1538d0201f43
https://doi.org/10.3365/kjmm.2021.59.10.736
https://doi.org/10.3365/kjmm.2021.59.10.736
Autor:
Hyun-ki Park, Young Chu, Si-Woo Yoon, Young-ok Kim, Yong Hwan Kim, Hee-Jae Ahn, Kaprai Park, Jinsub Kim, Kang Pyo Kim, Hirofumi Yonekawa
Publikováno v:
IEEE Transactions on Applied Superconductivity. 30:1-5
The KSTAR central solenoid (CS) magnet consists of four pairs of coils stacked vertically and eight preloading structures that compress the coils in the axial direction. The strain and dis-placement of the CS magnet are monitored in real time, limiti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b7aad4d832359c931a9dc960fb6a3ec
https://doi.org/10.1109/tasc.2020.2968254
https://doi.org/10.1109/tasc.2020.2968254
Autor:
Hyun-ki Park, Yong Chu, Kwang-Pyo Kim, Kaprai Park, Si-Woo Yoon, Jinsub Kim, Hee-Jae Ahn, Yong Hwan Kim, Young-ok Kim
Publikováno v:
Fusion Engineering and Design. 146:594-597
The KSTAR includes seven pairs of ring-shaped poloidal field (PF) superconducting coils with rectangular cross section. The central solenoid (CS) is a vertical stack of four pairs of PF coils compressed axially by preloading structures. The axial com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80b49e46d8267b154a361ef93efa584a
https://doi.org/10.1016/j.fusengdes.2019.01.031
https://doi.org/10.1016/j.fusengdes.2019.01.031
Autor:
Kwang-Pyo Kim, Hyun-ki Park, JaeIn Song, Yeong-Kook Oh, Young-ok Kim, Kaprai Park, SooHwan Park, H. Y. Lee, Hee-Jae Ahn, KunSu Lee, I.S. Woo
Publikováno v:
Fusion Engineering and Design. 146:2430-2433
A pellet injection system operating at 20 Hz has been operated in KSTAR (Korea Superconducting Tokamak Advanced Research) since 2016. This system can inject pellets with various size, velocity, and frequency to the KSTAR vacuum vessel during plasma e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64acd92606f63fc1df2b3f6436aca6c6
https://doi.org/10.1016/j.fusengdes.2019.04.010
https://doi.org/10.1016/j.fusengdes.2019.04.010
Autor:
Sungkyu Kim, Hee-Jae Ahn, Dong Won Lee, Hyeon K. Park, Hyun-Chul Kim, S.H. Hong, Soo-Hwan Park, Kyungmin Kim, Yeong Seok Kim, H.T. Kim
Publikováno v:
Fusion Engineering and Design. 134:128-131
It is so important that the bonding technology between tungsten and dissimilar metals for the PFC of ITER and DEMO, KSTAR. The development of tungsten brazing technology was first launched for the KSTAR PFC. Flat type tungsten block was brazed on CuC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::946476420a4252712a14122484ffec3f
https://doi.org/10.1016/j.fusengdes.2018.01.055
https://doi.org/10.1016/j.fusengdes.2018.01.055
Autor:
Jinsub Kim, Hee-Jae Ahn, Yeong-Kook Oh, Yong Hwan Kim, Yong Chu, Hyun-Seok Kim, Hyun-ki Park, Kwang-Pyo Kim, Kaprai Park, Young-ok Kim, Sudo Lee
Publikováno v:
IEEE Transactions on Applied Superconductivity. 28:1-5
The finite element model of KSTAR central solenoid (CS) magnet has been developed with new smeared orthotropic material properties of CS coils and the effective coefficient of thermal expansion of the magnet structures. The accuracy of structural ana
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d95ebea5919299d181235480cfec03a7
https://doi.org/10.1109/tasc.2018.2799583
https://doi.org/10.1109/tasc.2018.2799583