Search Results - "Park, J. J. K."

Suppression of edge localized modes in high-confinement KSTAR plasmas by nonaxisymmetric magnetic perturbations by Jeon, Y M, Park, J-K, Yoon, S W, Ko, W H, Lee, S G, Lee, K D, Yun, G S, Nam, Y U, Kim, W C, Kwak, Jong-Gu, Lee, K S, Kim, H K, Yang, H L

“…Edge localized modes (ELMs) in high-confinement mode plasmas were completely suppressed in KSTAR by applying n=1 nonaxisymmetric magnetic perturbations…”
Get full text

Highest fusion performance without harmful edge energy bursts in tokamak by Kim, S. K., Shousha, R., Yang, S. M., Hu, Q., Hahn, S. H., Jalalvand, A., Park, J.-K., Logan, N. C., Nelson, A. O., Na, Y.-S., Nazikian, R., Wilcox, R., Hong, R., Rhodes, T., Paz-Soldan, C., Jeon, Y. M., Kim, M. W., Ko, W. H., Lee, J. H., Battey, A., Yu, G., Bortolon, A., Snipes, J., Kolemen, E.

“…The path of tokamak fusion and International thermonuclear experimental reactor (ITER) is maintaining high-performance plasma to produce sufficient fusion…”
Get full text

A sustained high-temperature fusion plasma regime facilitated by fast ions by Han, H., Park, S. J., Sung, C., Kang, J., Lee, Y. H., Chung, J., Hahm, T. S., Kim, B., Park, J.-K., Bak, J. G., Cha, M. S., Choi, G. J., Choi, M. J., Gwak, J., Hahn, S. H., Jang, J., Lee, K. C., Kim, J. H., Kim, S. K., Kim, W. C., Ko, J., Ko, W. H., Lee, C. Y., Lee, J. H., Lee, J. H., Lee, J. K., Lee, J. P., Lee, K. D., Park, Y. S., Seo, J., Yang, S. M., Yoon, S. W., Na, Y.-S.

“…Nuclear fusion is one of the most attractive alternatives to carbon-dependent energy sources 1 . Harnessing energy from nuclear fusion in a large reactor…”
Get full text

Forkhead box M1 (FOXM1) transcription factor is a key oncogenic driver of aggressive human meningioma progression by Kim, H., Park, K.‐J., Ryu, B.‐K., Park, D.‐H., Kong, D.‐S., Chong, K., Chae, Y.‐S., Chung, Y.‐G., Park, S. I., Kang, S.‐H.

“…Aims Aggressive meningioma remains incurable with neither chemo‐ nor targeted therapies proven effective, largely due to unidentified genetic alterations…”
Get full text

Tailoring resonant magnetic perturbation to optimize fast-ion confinement during ELM control in KSTAR by Yang, S.M., Park, J.-K., Kim, H.S., Podesta, M., Kang, J.S., Rhee, T.

“…Abstract 3D resonant magnetic perturbation (RMP) is one promising way to control edge localized modes that can cause excessive material erosion of tokamak…”
Get full text

Observation of a multimode plasma response and its relationship to density pumpout and edge-localized mode suppression by Paz-Soldan, C, Nazikian, R, Haskey, S R, Logan, N C, Strait, E J, Ferraro, N M, Hanson, J M, King, J D, Lanctot, M J, Moyer, R A, Okabayashi, M, Park, J-K, Shafer, M W, Tobias, B J

“…Density pumpout and edge-localized mode (ELM) suppression by applied n=2 magnetic fields in low-collisionality DIII-D plasmas are shown to be correlated with…”
Get full text

Binary Nature of Collisions Facilitates Runaway Electron Generation in Weakly Ionized Plasmas by Lee, Y., Aleynikov, P., de Vries, P. C., Kim, H.-T., Lee, J., Hoppe, M., Park, J.-K., Choi, G. J., Gwak, J.

“…Dreicer generation is one of the main mechanisms of runaway electron generation in weakly ionized plasmas. It is often described as a diffusive flow from the…”
Get full text

Mitigation of Alfvén activity in a tokamak by externally applied static 3D fields by Bortolon, A, Heidbrink, W W, Kramer, G J, Park, J-K, Fredrickson, E D, Lore, J D, Podestà, M

“…The application of static magnetic field perturbations to a tokamak plasma is observed to alter the dynamics of high-frequency bursting Alfvén modes that are…”
Get full text

Quasisymmetric Optimization of Nonaxisymmetry in Tokamaks by Park, J-K, Yang, S M, Logan, N C, Hu, Q, Zhu, C, Zarnstorff, M C, Nazikian, R, Paz-Soldan, C, Jeon, Y M, Ko, W H

“…Predictive 3D optimization reveals a novel approach to modify a nonaxisymmetric magnetic perturbation to be entirely harmless for tokamaks, by essentially…”
Get full text

Nonambipolar Transport due to Electrons with 3D Resistive Response in the KSTAR Tokamak by Yang, S. M., Park, J.-K., Wang, Z. R., Ko, W. H., In, Y., Lee, J. H., Lee, K. D., Kim, S. K.

“…A small nonaxisymmetric (3D) magnetic field can induce nonambipolar transport of the particle species confined in a tokamak and thus a significant change of…”
Get full text

Real time detection of multiple stable MHD eigenmode growth rates towards kink/tearing modes avoidance in DIII-D tokamak plasmas by Liu, T., Munaretto, S., Logan, N.C., Wang, Z.R., Boyer, M.D., Wang, Z.X., Keith, E., Park, J.-K.

“…Abstract Real time detection of time evolving growth rates of multiple stable magnetohydrodynamic (MHD) eigenmodes has been achieved in DIII-D tokamak…”
Get full text

Validation of density pump-out by pedestal-foot magnetic island formation prior to ELM suppression in KSTAR and DIII-D tokamaks by Hu, Q.M., Park, J.-K., Yang, S.M., Kim, S.K., Logan, N.C., Nazikian, R., Kang, J., Paz-Soldan, C., Ko, W.H., Park, G.Y.

“…Abstract TM1 nonlinear two-fluid simulations reveal key characteristics of density pump-out caused by pedestal-foot island formation when applying resonant…”
Get full text

Pedestal bifurcation and resonant field penetration at the threshold of edge-localized mode suppression in the DIII-D Tokamak by Nazikian, R, Paz-Soldan, C, Callen, J D, deGrassie, J S, Eldon, D, Evans, T E, Ferraro, N M, Grierson, B A, Groebner, R J, Haskey, S R, Hegna, C C, King, J D, Logan, N C, McKee, G R, Moyer, R A, Okabayashi, M, Orlov, D M, Osborne, T H, Park, J-K, Rhodes, T L, Shafer, M W, Snyder, P B, Solomon, W M, Strait, E J, Wade, M R

“…Rapid bifurcations in the plasma response to slowly varying n=2 magnetic fields are observed as the plasma transitions into and out of edge-localized mode…”
Get full text

Transition in particle transport under resonant magnetic perturbations in a tokamak by Kim, S.K., Logan, N.C., Becoulet, M., Hoelzl, M., Hu, Q., Huijsmans, G.T.A., Pamela, S.J.P., Yu, Q., Yang, S.M., Paz-soldan, C., Kolemen, E., Park, J.-K.

“…Abstract Nonlinear 3D MHD simulations and validations reveal that the hybrid particle-MHD transport is a key process for driving the pump-out in the presence…”
Get full text

Transparent Film Heater Using Single-Walled Carbon Nanotubes by Yoon, Y.-H., Song, J.-W., Kim, D., Kim, J., Park, J.-K., Oh, S.-K., Han, C.-S.

“…A transparent heater is produced from single‐walled carbon nanotubes (SWCNTs) with a high thermal conductivity. A transparent conducting SWCNT film is…”
Get full text

Three-dimensional drift kinetic response of high-β plasmas in the DIII-D tokamak by Wang, Z R, Lanctot, M J, Liu, Y Q, Park, J-K, Menard, J E

“…A quantitative interpretation of the experimentally measured high-pressure plasma response to externally applied three-dimensional (3D) magnetic field…”
Get full text

Nonthermal plasma induces head and neck cancer cell death: the potential involvement of mitogen-activated protein kinase-dependent mitochondrial reactive oxygen species by Kang, S U, Cho, J-H, Chang, J W, Shin, Y S, Kim, K I, Park, J K, Yang, S S, Lee, J-S, Moon, E, Lee, K, Kim, C-H

“…Nonthermal plasma (NTP) is generated by ionization of neutral gas molecules, which results in a mixture of energy particles including electrons and ions…”
Get full text

Heuristic predictions of RMP configurations for ELM suppression in ITER burning plasmas and their impact on divertor performance by Frerichs, H., van Blarcum, J., Feng, Y., Li, L., Liu, Y.Q., Loarte, A., Park, J-K., Pitts, R.A., Schmitz, O., Yang, S.M.

“…Abstract A subspace of resonant magnetic perturbation (RMP) configurations for edge localized mode (ELM) suppression is predicted for H-mode burning plasmas at…”
Get full text

Clinically actionable mutations identified in Korean patients with high-risk acute lymphoblastic leukemia by Park, K.-J., Kim, I.-S.

Get full text

Quantification of locked mode instability triggered by a change in confinement by Peterka, M., Seidl, J., Markovic, T., Loarte, A., Logan, N.C., Park, J.-K., Cahyna, P., Havlicek, J., Imrisek, M., Kripner, L., Panek, R., Sos, M., Bilkova, P., Bogar, K., Bohm, P., Casolari, A., Gribov, Y., Grover, O., Hacek, P., Hron, M., Kovarik, K., Tomes, M., Tskhakaya, D., Varju, J., Vondracek, P., Weinzettl, V.

“…Abstract This work presents the first analysis of the disruptive locked mode (LM) triggered by the dynamics of a confinement change. It shows that, under…”
Get full text