Research

This section showcases the published research of our members in the areas of nuclear fission, fusion, and materials science. Through diverse expertise and interdisciplinary collaboration, our members contribute to advancing nuclear science, energy technologies, and the fundamental understanding of materials in extreme environments.

Highlighted

Gas puff imaging of plasma turbulence in the magnetic island scrape-off layer of W7-X

S.G. Baek, S. Ballinger, O. Grulke, C. Killer, A. von Stechow, J.L. Terry, F. Scharmer, B. Shanahan

Nuclear Materials and Energy  ·  01 Jun 2025  ·  doi:10.1016/j.nme.2025.101937

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2026

Numerical study on boiling crisis and fluid-elastic instability of helical cruciform fuel

Youyeon Choi, Koroush Shirvan

International Journal of Heat and Mass Transfer  ·  01 Mar 2026  ·  doi:10.1016/j.ijheatmasstransfer.2025.128136

Characterizing core and edge turbulence regimes with fluctuation imaging diagnostics in Wendelstein 7-X

Adrian von Stechow, Seung Gyou Baek, Jan-Peter Bäehner, Sean Bozkurt Ballinger, Dario Cipciar, …, Andrea Pavone, Miklos Porkolab, Jakob Svensson, Jim L Terry, Daihong Zhang

Nuclear Fusion  ·  23 Feb 2026  ·  doi:10.1088/1741-4326/ae4919

Spherical tokamak physics research in preparation for the operation of NSTX-U

S. Munaretto, P.O. Adebayo-Ige, H. Anand, G. Avdeeva, S.G. Baek, …, A.S. Welander, B.D. Wirth, J. Yang, V. Zamkovska, X. Zhang

Nuclear Fusion  ·  02 Feb 2026  ·  doi:10.1088/1741-4326/ae38f6

2025

Effects of midplane density gradient in the propagation of high-harmonic fast waves considering high temperature anisotropy in the scrape-off layer of NSTX-U

Ricardo De Levante Rodriguez, Seung-Gyou Baek, Syun’ichi Shiraiwa, Nicola Bertelli, Paul Bonoli

Physica Scripta  ·  01 Oct 2025  ·  doi:10.1088/1402-4896/ae08fc

Gas puff imaging of plasma turbulence in the magnetic island scrape-off layer of W7-X

S.G. Baek, S. Ballinger, O. Grulke, C. Killer, A. von Stechow, J.L. Terry, F. Scharmer, B. Shanahan

Nuclear Materials and Energy  ·  01 Jun 2025  ·  doi:10.1016/j.nme.2025.101937

Electric fields and stationary drift flows in the island divertor SOL of Wendelstein 7-X

Carsten Killer, Dario Cipciar, Seung Gyou Baek, Sean B. Ballinger, Adrian von Stechow, James L. Terry, Olaf Grulke

Nuclear Fusion  ·  17 Apr 2025  ·  doi:10.1088/1741-4326/adc9c0

Coupled simulation for pin-wise reactor core analysis using subchannel analysis code CUPID and fuel performance code GIFT

Yeong Hun Lee, Jangkeun Park, Youyeon Choi, Kyuseok Sim, Youho Lee, Hyoung Kyu Cho

Annals of Nuclear Energy  ·  01 Apr 2025  ·  doi:10.1016/j.anucene.2024.111068

Modeling study of synergistic effects between lower hybrid and electron cyclotron current drive on EAST

S.G. Baek, M.H. Li, W. Choi, P.T. Bonoli, B.J. Ding, …, G.M. Wallace, M. Wang, H. Xu, Q. Zang, H. Zhao

Nuclear Fusion  ·  31 Mar 2025  ·  doi:10.1088/1741-4326/adc287

2024

Realization of a gas puff imaging system on the Wendelstein 7-X stellarator

J. L. Terry, A. von Stechow, S. G. Baek, S. B. Ballinger, O. Grulke, …, C. Killer, F. Scharmer, K. J. Brunner, J. Knauer, S. Bois

Review of Scientific Instruments  ·  01 Sep 2024  ·  doi:10.1063/5.0219336

NSTX-U research advancing the physics of spherical tokamaks

J.W. Berkery, P.O. Adebayo-Ige, H. Al Khawaldeh, G. Avdeeva, S-G. Baek, …, J. Yang, V. Zamkovska, X. Zhang, X.L. Zhu, S. Zweben

Nuclear Fusion  ·  15 Aug 2024  ·  doi:10.1088/1741-4326/ad3092

2022

Deep modeling of plasma and neutral fluctuations from gas puff turbulence imaging

A. Mathews, J. L. Terry, S. G. Baek, J. W. Hughes, A. Q. Kuang, …, M. A. Miller, D. Stotler, D. Reiter, W. Zholobenko, M. Goto

Review of Scientific Instruments  ·  01 Jun 2022  ·  doi:10.1063/5.0088216

Simulated effect of edge plasma density parameters on lower hybrid wave scattering in EAST

C. B. Wu, B. J. Ding, S. G. Baek, M. H. Li, G. M. Wallace, Y. C. Li, G. H. Yan

Physics of Plasmas  ·  01 Feb 2022  ·  doi:10.1063/5.0077657

2021

A hybrid full-wave Markov chain approach to calculating radio-frequency wave scattering from scrape-off layer filaments

Bodhi Biswas, Syun’ichi Shiraiwa, Seung-Gyou Baek, Paul Bonoli, Abhay Ram, Anne E. White

Journal of Plasma Physics  ·  01 Oct 2021  ·  doi:10.1017/S0022377821001033

A model investigation of the impact of lower hybrid wave scattering angle on current drive profile in EAST and Alcator C-Mod

S.G. Baek, B. Biswas, G.M. Wallace, P.T. Bonoli, B.J. Ding, …, X. Zhai, A.M. Garofalo, W. Choi, F. Poli, S. Shiraiwa

Nuclear Fusion  ·  20 Sep 2021  ·  doi:10.1088/1741-4326/ac2278

Modeling the spectral modification of lower hybrid wave in the presence of drift-wave type density fluctuation in the scrape-off-layer of the EAST tokamak

C. B. Wu, B. J. Ding, M. H. Li, S. G. Baek, G. M. Wallace, Y. C. Li, G. H. Yan, S. C. Liu

Physics of Plasmas  ·  01 Aug 2021  ·  doi:10.1063/5.0053459

Observation of synergy between lower hybrid waves at two frequencies in EAST

W. Choi, F. M. Poli, M. H. Li, S. G. Baek, M. Gorenlenkova, …, J. P. Qian, G. Wallace, Y. M. Wang, Q. Zang, H. L. Zhao

Physics of Plasmas  ·  01 Jul 2021  ·  doi:10.1063/5.0041271

2020

Diagnostic development for parallel wave-number measurement of lower hybrid waves in EAST

Y. F. Wang, B. J. Ding, M. H. Li, S. G. Baek, G. M. Wallace, …, F. K. Liu, J. F. Shan, X. J. Zhang, Y. C. Li, C. B. Wu

Review of Scientific Instruments  ·  01 Jul 2020  ·  doi:10.1063/1.5144673