Showing results 1 to 41 of 41
20 years of research on the Alcator C-Mod tokamak Greenwald, M.; Bader, A.; Baek, S.; Bakhtiari, M.; Barnard, H.; Beck, W.; Bergerson, W.; et al, PHYSICS OF PLASMAS, v.21, no.11, 2014-11 |
A free-standing wire scattering technique to monitor calibration variations of the DIII-D density profile reflectometer Zeng, L.; Wang, G.; Rhodes, T. L.; Peebles, W. A.; Sung, Choongki; Lantsov, R., REVIEW OF SCIENTIFIC INSTRUMENTS, v.89, no.10, 2018-10 |
A frequency tunable, eight-channel correlation ECE system for electron temperature turbulence measurements on the DIII-D tokamak Sung, Choongki; Peebles, W. A.; Wannberg, C.; Rhodes, T. L.; Nguyen, X.; Lantsov, R.; Bardoczi, L., REVIEW OF SCIENTIFIC INSTRUMENTS, v.87, no.11, pp.11E123, 2016-11 |
A New Integrated Analysis Suite for Fast-Ion Study in KSTAR Lee, MW; Kang, J; Logan, NC; Choi, MJ; Jung, L; Kim, J; Choi, MG; et al, FUSION SCIENCE AND TECHNOLOGY, v.79, no.2, pp.151 - 161, 2023-02 |
A novel technique for real-time estimation of edge pedestal density gradients via reflectometer time delay data Zeng, L.; Doyle, E. J.; Rhodes, T. L.; Wang, G.; Sung, Choongki; Peebles, W. A.; Bobrek, M., REVIEW OF SCIENTIFIC INSTRUMENTS, v.87, no.11, 2016-11 |
A sustained high-temperature fusion plasma regime facilitated by fast ions Han, H.; Park, S. J.; Sung, Choongki; Kang, J.; Lee, Y. H.; Chung, J.; Hahm, T. S.; et al, NATURE, v.609, no.7926, pp.269 - 275, 2022-09 |
Achievement of Reactor-Relevant Performance in Negative Triangularity Shape in the DIII-D Tokamak Austin, M. E.; Marinoni, A.; Walker, M. L.; Brookman, M. W.; deGrassie, J. S.; Hyatt, A. W.; McKee, G. R.; et al, PHYSICAL REVIEW LETTERS, v.122, no.11, 2019-03 |
Alfven eigenmodes and fast ion transport in negative triangularity DIII-D plasmas Van Zeeland, M. A.; Collins, C. S.; Heidbrink, W. W.; Austin, M. E.; Du, X. D.; Duarte, V. N.; Hyatt, A.; et al, NUCLEAR FUSION, v.59, no.8, 2019-08 |
ARC: A compact, high-field, fusion nuclear science facility and demonstration power plant with demountable magnets Sorbom, B. N.; Ball, J.; Palmer, T. R.; Mangiarotti, F. J.; Sierchio, J. M.; Bonoli, P.; Kasten, C.; et al, FUSION ENGINEERING AND DESIGN, v.100, pp.378 - 405, 2015-11 |
Changes in core electron temperature fluctuations across the ohmic energy confinement transition in Alcator C-Mod plasmas Sung, Choongki; White, A. E.; Howard, N. T.; Oi, C. Y.; Rice, J. E.; Gao, C.; Ennever, P.; et al, NUCLEAR FUSION, v.53, no.8, 2013-08 |
Design Features and Commissioning of the Versatile Experiment Spherical Torus (VEST) at Seoul National University Chung, K. J.; An, Y. H.; Jung, B. K.; Lee, H. Y.; Sung, Choongki; Na, Y. S.; Hahm, T. S.; et al, PLASMA SCIENCE & TECHNOLOGY, v.15, no.3, pp.244 - 251, 2013-03 |
Design of a correlation electron cyclotron emission diagnostic for Alcator C-Mod Sung, Choongki; White, A. E.; Irby, J. H.; Leccacorvi, R.; Vieira, R.; Oi, C. Y.; Peebles, W. A.; et al, REVIEW OF SCIENTIFIC INSTRUMENTS, v.83, no.10, 2012-10 |
Design, construction of magnetic mirror device, and initial experimental results = 자기 거울 장치의 설계, 구축 및 초기 실험 결과link Oh, Dong Geun; Sung, Choongki; et al, 한국과학기술원, 2023 |
Development of a scintillator-based optical soft x-ray (OSXR) diagnostic system for KSTAR tokamak Lee, M. W.; Kim, Junghee; Kim, M. H.; Lim, Soobin; Kim, Jayhyun; Sung, Choongki, REVIEW OF SCIENTIFIC INSTRUMENTS, v.94, no.5, 2023-05 |
Development of a soft x-ray (SXR) array diagnostic system on versatile experiment spherical torus (VEST) Jang, Jae Young; Lim, Soobin; Kim, Seongcheol; Lee, MW; Kim, Young-Gi; Sung, Choongki; Hwang, YS, REVIEW OF SCIENTIFIC INSTRUMENTS, v.93, no.9, 2022-09 |
Development of collisional-radiative model for estimating temperature and density of low-temperature and high-pressure helium plasma = 저온 고압의 헬륨 플라즈마 온도 및 밀도 추정을 위한 충돌-방사 모델 개발 연구link Hwang, Suchul; Sung, Choongki; et al, 한국과학기술원, 2023 |
DIII-D research advancing the physics basis for optimizing the tokamak approach to fusion energy Fenstermacher M. E.; Abbate J.; Abe S.; Abrams T.; Adams M.; Adamson B.; Aiba N.; et al, NUCLEAR FUSION, v.62, no.4, 2022-04 |
Electron temperature fluctuations associated with the weakly coherent mode in the edge of I-mode plasmas White, A. E.; Phillips, P.; Whyte, D. G.; Hubbard, A. E.; Sung, Choongki; Hughes, J. W.; Dominguez, A.; et al, NUCLEAR FUSION, v.51, no.11, 2011-11 |
Electron Temperature Measurements Using a Two-Filter Soft X-ray Array in VEST Lee, Myungwon; Lim, S; Jeong, W; Kim, S; Kim, JH; Hwang, YS; Sung, Choongki, SENSORS, v.23, no.20, 2023-10 |
Experimental and numerical evaluation of the neutral beam deposition profile in KSTAR Na, B; Kang, J; Lee, MW; Jung, L; Hahn, SH; Yoo, JW; Jeong, JH; et al, FUSION ENGINEERING AND DESIGN, v.185, 2022-12 |
Gyrokinetic validation study using KSTAR plasmas = KSTAR 플라즈마를 활용한 자이로 동역학 검증연구link Kim, Donguk; Sung, Choongki; et al, 한국과학기술원, 2022 |
H-mode grade confinement in L-mode edge plasmas at negative triangularity on DIII-D Marinoni, A.; Austin, M. E.; Hyatt, A. W.; Walker, M. L.; Candy, J.; Chrystal, C.; Lasnier, C. J.; et al, PHYSICS OF PLASMAS, v.26, no.4, 2019-04 |
Increased electron temperature turbulence during suppression of edge localized mode by resonant magnetic perturbations in the DIII-D tokamak Sung, Choongki; Wang, G.; Rhodes, T. L.; Smith, S. P.; Osborne, T. H.; Ono, M.; McKee, G. R.; et al, PHYSICS OF PLASMAS, v.24, no.11, pp.112305, 2017-11 |
Interaction of magnetic islands with turbulent electron temperature fluctuations in DIII-D and in GENE nonlinear gyrokinetic simulations Bardoczi, L; Sung, Choongki; Navarro, A Banon; Rhodes, TL; Carter, TA; Jenko, F, PLASMA PHYSICS AND CONTROLLED FUSION, v.62, no.2, 2020-02 |
Line integrated density measurements on the Versatile Experiment Spherical Torus (VEST) using frequency sweep interferometer Seo, Seong-Heon; Wang, J; Lee, SJ; Byun, JH; Lee, KD; Sung, Choongki; Hwang, YS, PLASMA PHYSICS AND CONTROLLED FUSION, v.65, no.12, 2023-12 |
Magnetic shear effects on plasma transport and turbulence at high electron to ion temperature ratio in DIII-D and JT-60U plasmas Yoshida, M.; McKee, G. R.; Murakami, M.; Grierson, B. A.; Nakata, M.; Davis, E. M.; Marinoni, A.; et al, NUCLEAR FUSION, v.57, no.5, 2017-05 |
Measurement of electron temperature fluctuations using a tunable correlation electron cyclotron emission system on Alcator C-Mod Howard, N. T.; Sung, Choongki; White, A. E., REVIEW OF SCIENTIFIC INSTRUMENTS, v.85, no.11, 2014-11 |
Multi-channel transport experiments at Alcator C-Mod and comparison with gyrokinetic simulations White, A. E.; Howard, N. T.; Greenwald, M.; Reinke, M. L.; Sung, Choongki; Baek, S.; Barnes, M.; et al, PHYSICS OF PLASMAS, v.20, no.5, 2013-05 |
Multi-field/-scale interactions of turbulence with neoclassical tearing mode magnetic islands in the DIII-D tokamak Bardoczi, L.; Rhodes, T. L.; Navarro, A. Banon; Sung, Choongki; Carter, T. A.; La Haye, R. J.; McKee, G. R.; et al, PHYSICS OF PLASMAS, v.24, no.5, 2017-05 |
Non-local heat transport in Alcator C-Mod ohmic L-mode plasmas Gao, C.; Rice, J. E.; Sun, H. J.; Reinke, M. L.; Howard, N. T.; Mikkelson, D.; Hubbard, A. E.; et al, NUCLEAR FUSION, v.54, no.8, 2014-08 |
Nonlinear gyrokinetic simulations of the I-mode high confinement regime and comparisons with experiment White, A. E.; Howard, N. T.; Creely, A. J.; Chilenski, M. A.; Greenwald, M.; Hubbard, A. E.; Hughes, J. W.; et al, PHYSICS OF PLASMAS, v.22, no.5, 2015-05 |
Overview of experimental results and code validation activities at Alcator C-Mod Greenwald, M.; Bader, A.; Baek, S.; Barnard, H.; Beck, W.; Bergerson, W.; Bespamyatnov, I.; et al, NUCLEAR FUSION, v.53, no.10, 2013-10 |
Physics and performance of the I-mode regime over an expanded operating space on Alcator C-Mod Hubbard, A. E.; Baek, S. -G.; Brunner, D.; Creely, A. J.; Cziegler, I.; Edlund, E.; Hughes, J. W.; et al, NUCLEAR FUSION, v.57, no.12, 2017-12 |
Physics of increased edge electron temperature and density turbulence during ELM-free QH-mode operation on DIII-D Sung, Choongki; Rhodes, T. L.; Staebler, G. M.; Yan, Z.; Mckee, G. R.; Smith, S. P.; Osborne, T. H.; et al, PHYSICS OF PLASMAS, v.25, no.5, pp.055904, 2018-05 |
Progress in gyrokinetic validation studies using NBI heated L-mode discharge in KSTAR Kim, D; Kang, J; Lee, MW; Candy, J; Yoon, ES; Yi, S; Kwon, JM; et al, CURRENT APPLIED PHYSICS, v.42, pp.60 - 70, 2022-10 |
Quantitative comparison of electron temperature fluctuations to nonlinear gyrokinetic simulations in C-Mod Ohmic L-mode discharges Sung, Choongki; White, A. E.; Mikkelsen, D. R.; Greenwald, M.; Holland, C.; Howard, N. T.; Churchill, R.; et al, PHYSICS OF PLASMAS, v.23, no.4, pp.042303, 2016-04 |
Reduction of core turbulence in I-mode plasmas in Alcator C-Mod White, A. E.; Barnes, M.; Dominguez, A.; Greenwald, M.; Howard, N. T.; Hubbard, A. E.; Hughes, J. W.; et al, NUCLEAR FUSION, v.54, no.8, 2014-08 |
Response of thermal and fast-ion transport to beam ion population, rotation, and Te/Ti in the DIII-D steady state hybrid scenario Thome, K. E.; Du, X. D.; Grierson, B. A.; Krammer, G. J.; Petty, C. C.; Holland, C.; Knolker, M.; et al, NUCLEAR FUSION, v.61, no.3, pp.036036, 2021-03 |
Turbulence measurements on the high and low magnetic field side of the DIII-D tokamak Sung, Choongki; Rhodes, T. L.; Peebles, W. A., REVIEW OF SCIENTIFIC INSTRUMENTS, v.89, no.10, pp.10H106, 2018-10 |
Turbulence stabilization in tokamak plasmas with high population of fast ions Kim, D.; Park, S. J.; Choi, G. J.; Cho, Y. W.; Kang, J.; Han, H.; Candy, J.; et al, NUCLEAR FUSION, v.63, no.12, 2023-12 |
Validation of nonlinear gyrokinetic simulations of L- and I-mode plasmas on Alcator C-Mod Creely, A. J.; Howard, N. T.; Rodriguez-Fernandez, P.; Cao, N.; Hubbard, A. E.; Hughes, J. W.; Rice, J. E.; et al, PHYSICS OF PLASMAS, v.24, no.5, 2017-05 |
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