Publications of S. Kwak

Journal Article (46)

1.
Journal Article
Bannmann, S.; Ford, O.; Hoefel, U.; Poloskei, P. Z.; Pavone, A.; Kwak, S.; Svensson, J.; Lazerson, S.; McNeely, P.; Rust, N. et al.: Bayesian inference of electron density and ion temperature profiles from neutral beam and halo Balmer-α emission at Wendelstein 7-X. Plasma Physics and Controlled Fusion 66, 065001 (2024)
2.
Journal Article
Bannmann, S.; Ford, O.; Poloskei, P. Z.; Svensson, J.; Pavone, A.; Kwak, S.; Hoefel, U.; Pasch, E.; Fuchert, G.; Smith, H. M. et al.: Particle transport in reduced turbulence neutral beam heated discharges at Wendelstein 7-X. Nuclear Fusion 64, 0106015 (2024)
3.
Journal Article
Grulke, O.; Albert, C.; Alcuson Belloso, J. A.; Aleynikov, P.; Aleynikova, K.; Alonso, A.; Anda, G.; Andreeva, T.; Arvanitou, M.; Ascasibar, E. et al.: Overview of the first Wendelstein 7-X long pulse campaign with fully water-cooled plasma facing components. Nuclear Fusion 64, 112002 (2024)
4.
Journal Article
Kim, M.; Ko, W. H.; Kwak, S.; Joung, S.; Lee, W.; Kim, B.; Kim, D.; Lee, J. H.; Sung, C.; Na, Y.-S. et al.: Kinetic profile inference with outlier detection using support vector machine regression and Gaussian process regression. Nuclear Fusion 64, 106052 (2024)
5.
Journal Article
Kwak, S.; Hoefel, U.; Krychowiak, M.; Langenberg, A.; Svensson, J.; Trimino Mora, H.; Ghim, Y.-C.; W7-X Team, Max Planck Institute for Plasma Physics, Max Planck Society: Bayesian modelling of multiple plasma diagnostics at Wendelstein 7-X. Nuclear Fusion 64, 106022 (2024)
6.
Journal Article
Maggi, C. F.; Abate, D.; Abid, N.; Abreu, P.; Adabonyan, O.; Afzal, M.; Ahmad, I.; Akhtar, M.; Albanese, R.; Aleiferis, S. et al.: Overview of T and D–T results in JET with ITER-like wall. Nuclear Fusion 64, 112012 (2024)
7.
Journal Article
Murari, A.; Rossi, R.; Craciunescu, T.; Vega, J.; JET Contributors; Mailloux, J.; Abid, N.; Abraham, K.; Abreu, P.; Adabonyan, O. et al.: A control oriented strategy of disruption prediction to avoid the configuration collapse of tokamak reactors. Nature Communications 15, 2424 (2024)
8.
Journal Article
Bannmann, S.; Ford, O.; Hoefel, U.; Poloskei, P.; Pavone, A.; Kwak, S.; Svensson, J.; Lazerson, S.; McNeely, P.; Rust, N. et al.: Fast forward modeling of neutral beam injection and halo formation including full Balmer-α emission prediction at W7-X. Journal of Instrumentation 18, P10029 (2023)
9.
Journal Article
Joung, S.; Ghim, Y.‑.; Kim, J.; Kwak, S.; Kwon, D.; Sung, C.; Kim, D.; Kim, H.‑.; Bak, J. G.; Yoon, S. W.: GS‑DeepNet: mastering tokamak plasma equilibria with deep neural networks and the Grad–Shafranov equation. Scientific Reports 13, 15799 (2023)
10.
Journal Article
Merlo, A.; Pavone, A.; Böckenhoff, D.; Pasch, E.; Fuchert, G.; Brunner, K. J.; Rahbarnia, K.; Schilling, J.; Höfel, U.; Kwak, S. et al.: Accelerated Bayesian inference of plasma profiles with self-consistent MHD equilibria at W7-X via neural networks. Journal of Instrumentation 18, P11012 (2023)
11.
Journal Article
Nelde, P.; Fuchert, G.; Pasch, E.; Beurskens, M. N. A.; Bozhenkov, S. A.; Brunner, K. J.; Höfel, U.; Kwak, S.; Meineke, J.; Scott, E. R. et al.: Quantification of systematic errors in the electron density and temperature measured with Thomson scattering at W7-X. Journal of Instrumentation 18, P09019 (2023)
12.
Journal Article
Pavone, A.; Merlo, A.; Kwak, S.; Svensson, J.: Machine learning and Bayesian inference in nuclear fusion research: an overview. Plasma Physics and Controlled Fusion 65, 053001 (2023)
13.
Journal Article
Zhang, D.; Buttenschön, B.; Jablonski, S.; Kubkowska, M.; Ford, O.; Alcuson, J. A.; Beidler, C. D.; Burhenn, R.; Beurskens, M. N. A.; Langenberg, A. et al.: Observation of impurity accumulation and its compatibility with high plasma performance in W7-X. Plasma Physics and Controlled Fusion 65, 105006 (2023)
14.
Journal Article
Flom, E.; Krychowiak, M.; Schmitz, O.; König, R.; Barbui, T.; Henke, F.; Jakubowski, M.; Kwak, S.; Loch, S.; Munoz Burgos, J. et al.: Bayesian modeling of collisional-radiative models applicable to thermal helium beam plasma diagnostics. Nuclear Materials and Energy 33, 101269 (2022)
15.
Journal Article
Kwak, S.; Svensson, J.; Ford, O.; Appel, L.; Ghim , Y.-c.; JET Contributors: Bayesian inference of axisymmetric plasma equilibrium. Nuclear Fusion 62, 126069 (2022)
16.
Journal Article
Mailloux, J.; Abid, N.; Abraham, K.; Abreu, P.; Adabonyan, O.; Adrich, P.; Afanasev, V.; Afzal, M.; Ahlgren, T.; Aho-Mantila, L. et al.: Overview of JET results for optimising ITER operation. Nuclear Fusion 62, 042026 (2022)
17.
Journal Article
Mazzi, S.; Garcia, J.; Zarzoso, D.; Kazakov, Y. O.; Ongena, J.; Dreval, M.; Nocente, M.; Stancar, Z.; Szepesi, G.; Eriksson, J. et al.: Enhanced performance in fusion plasmas through turbulence suppression by megaelectronvolt ions. Nature Physics 18, pp. 776 - 782 (2022)
18.
Journal Article
Pedersen, T. S.; Abramovic, I.; Agostinetti, P.; Agredano Torres, M.; Äkäslompolo, S.; Alcuson Belloso, J.; Aleynikov, P.; Aleynikova, K.; Alhashimi, M.; Ali, A. et al.: Experimental confirmation of efficient island divertor operation and successful neoclassical transport optimization in Wendelstein 7-X. Nuclear Fusion 62, 042022 (2022)
19.
Journal Article
Vega, J.; Murari, A.; Dormido-Canto, S.; Ratta, G. A.; Gelfusa, M.; JET Contributors; Mailloux, J.; Abid, N.; Abraham, K.; Abreu, P. et al.: Disruption prediction with artificial intelligence techniques in tokamak plasmas. Nature Physics 18, pp. 741 - 750 (2022)
20.
Journal Article
Beidler, C. D.; Smith, H. M.; Alonso, A.; Andreeva, T.; Baldzuhn, J.; Beurskens, M. N. A.; Borchardt, M.; Bozhenkov, S. A.; Brunner, K. J.; Damm, H. et al.: Demonstration of reduced neoclassical energy transport in Wendelstein 7-X. Nature 596, pp. 221 - 226 (2021)