Results 141 to 150 of about 455,514 (173)

Observation of confined current structure in JET high temperature pedestals and transient ELM suppression

, 2010
Solano, E.R., Lomas, P.J., Eich, T., Gerasimov, S., Giroud, C., Harting, D., Howell, D., Kocsis, G., Koslowski, H.R., Liang, Y., López-Fraguas, A., Nave, M.F.F., Nardon, E., Alper, B., Pérez. von Thun, C., Pinches, S.D., Rachlew, E., Rimini, F., Saarelma, S., Sirinelli, A., Thomsen, H., Xu, G.S., Zabeo, L., Zarzoso, D., Arnoux, G., JET EFDA, Boboc, A., Barrera, L., Belo, P., Beurskens, M.N.A., Brix, M., Crombe, K., de la Luna, E., Devaux, S.   +33 more
openaire   +1 more source

The simulation of ELM suppression by ion cyclotron resonance heating in EAST using BOUT++

Nuclear Fusion, 2022
Abstract Edge localized modes (ELMs) are completely suppressed by ion cyclotron resonant heating (ICRH) during H-mode discharge, which is first observed in the Experimental Advanced Superconducting Tokamak (EAST). The electromagnetic turbulence model in the BOUT++ framework is applied to the simulations, with the aim of obtaining the key
Chu Zhou
exaly   +3 more sources

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Design of a resonant magnetic perturbation ELM suppression system for JET

Fusion Engineering and Design, 2007
Abstract The suppression of ELMs with a resonant magnetic perturbation (RMP), as demonstrated in DIIID experiments [T. Evans, et al., Suppression of large edge localized modes with edge resonant magnetic fields in high confinement DIII-D plasmas, Nucl. Fusion 45 (2005) 595–607 [1] ], and widely published [K.H. Burrell, et al., Plasma Phys. Control.,
Eric Nardon, G Agarici, A Saille
exaly   +2 more sources

Design and experimental demonstration of feedback adaptive RMP ELM controller toward complete long pulse ELM suppression on KSTAR

Physics of Plasmas, 2022
Operation of a fusion power plant requires robust edge localized mode (ELM) suppression simultaneously with high plasma performance. In this paper, we describe a novel feedback adaptive resonant magnetic perturbation (RMP) ELM controller designed to address this problem by achieving optimized ELM suppression through the advanced application of 3D RMPs.
Josiah Wai, YoungMu Jeon, Juhyeok Jang
exaly   +2 more sources

Compatibility of pellet fuelling with ELM suppression by RMPs in the ASDEX Upgrade tokamak [PDF]

Nuclear Fusion, 2020
It is demonstrated that tokamak plasma can be fuelled by pellets while simultaneously maintaining ELM suppression by external resonant magnetic perturbations (RMPs). Pellets are injected vertically from high field site and deposited at outer part of plasma cross section.
Martin Valovic, Michael Faitsch, Wolfgang Suttrop   +2 more
exaly   +3 more sources

RMP ELM suppression in DIII-D plasmas with ITER similar shapes and collisionalities [PDF]

Nuclear Fusion, 2008
Large Type-I edge localized modes (ELMs) are completely eliminated with small n = 3 resonant magnetic perturbations (RMP) in low average triangularity, , plasmas and in ITER similar shaped (ISS) plasmas, , with ITER relevant collisionalities . Significant differences in the RMP requirements and in the properties of the ELM suppressed plasmas are found ...
Ilon Joseph, Oliver Schmitz, Bernhard Unterberg   +2 more
exaly   +4 more sources

Suppression of type-I ELMs with reduced RMP coil set on DIII-D

Nuclear Fusion, 2016
Abstract Recent experiments on DIII-D have demonstrated that having a toroidally-monochromatic spectral content of edge-resonant magnetic perturbations (RMPs) is not a necessary condition for suppression of edge localized modes (ELMs). Robust ELM suppression has been reproducibly obtained on DIII-D during experiments in which various non-
Carlos Paz-Soldan, Raffi Nazikian, Andreas Wingen   +2 more
exaly   +3 more sources

Investigation of background edge thermal transport in ELMing and ELM-suppressed H-modes in DIII-D

Physics of Plasmas, 2006
Thermal diffusivities are inferred in the plasma edge of a matched pair of DIII-D [J. Luxon, Nucl. Fusion 42, 614 (2002)] high confinement mode discharges, one with edge localized modes (ELMs) present and the other with ELMs suppressed by resonant magnetic perturbations.
Stacey, Weston M., Evans, T. E.
openaire   +1 more source

ELM suppression by resonant magnetic perturbations at DIII-D

2009 23rd IEEE/NPSS Symposium on Fusion Engineering, 2009
Edge localized mode (ELM) suppression by resonant magnetic perturbations (RMPs) is being studied at DIII-D with ITER-similar plasma shapes and edge collisionalities. Suppression at low collisionality correlates with overlap of vacuum magnetic field islands in a quantified edge layer at moderate q.
M J Schaffer, R A Moyer, M E Fenstermacher   +2 more
exaly   +2 more sources