Influence of toroidal field ripple and resonant magnetic perturbations on global 13C transport in ASDEX Upgrade

J. Miettunen, M. I. Airila, M. Groth, V. Lindholm, T. Makkonen, S. Äkäslompolo

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Abstract In this study, 3D orbit-following simulations with the ASCOT code of a tracer injection experiment on ASDEX Upgrade (AUG) are carried out to investigate the influence of toroidal field (TF) ripple and resonant magnetic perturbations (RMPs) on global 13C transport in the scrape-off layer (SOL). The conducted ASCOT simulations predict ripple to induce toroidal periodicity into the 13C deposition pattern. For resonant magnetic perturbations, the deposition pattern was observed to be locally influenced in the vicinity of the in-vessel coils creating the perturbations. In both cases, however, the global large-scale deposition of 13C remained unchanged compared to the case of an axisymmetric magnetic field.

Original languageEnglish
Article number48592
Pages (from-to)459-462
Number of pages4
JournalJournal of Nuclear Materials
Volume463
DOIs
Publication statusPublished - 22 Jul 2015
MoE publication typeA1 Journal article-refereed

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ripples
perturbation
tracers
vessels
periodic variations
Orbits
coils
simulation
injection
Magnetic fields
orbits
magnetic fields
Experiments

Cite this

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title = "Influence of toroidal field ripple and resonant magnetic perturbations on global 13C transport in ASDEX Upgrade",
abstract = "Abstract In this study, 3D orbit-following simulations with the ASCOT code of a tracer injection experiment on ASDEX Upgrade (AUG) are carried out to investigate the influence of toroidal field (TF) ripple and resonant magnetic perturbations (RMPs) on global 13C transport in the scrape-off layer (SOL). The conducted ASCOT simulations predict ripple to induce toroidal periodicity into the 13C deposition pattern. For resonant magnetic perturbations, the deposition pattern was observed to be locally influenced in the vicinity of the in-vessel coils creating the perturbations. In both cases, however, the global large-scale deposition of 13C remained unchanged compared to the case of an axisymmetric magnetic field.",
author = "J. Miettunen and Airila, {M. I.} and M. Groth and V. Lindholm and T. Makkonen and S. {\"A}k{\"a}slompolo",
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language = "English",
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Influence of toroidal field ripple and resonant magnetic perturbations on global 13C transport in ASDEX Upgrade. / Miettunen, J.; Airila, M. I.; Groth, M.; Lindholm, V.; Makkonen, T.; Äkäslompolo, S.

In: Journal of Nuclear Materials, Vol. 463, 48592, 22.07.2015, p. 459-462.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Influence of toroidal field ripple and resonant magnetic perturbations on global 13C transport in ASDEX Upgrade

AU - Miettunen, J.

AU - Airila, M. I.

AU - Groth, M.

AU - Lindholm, V.

AU - Makkonen, T.

AU - Äkäslompolo, S.

PY - 2015/7/22

Y1 - 2015/7/22

N2 - Abstract In this study, 3D orbit-following simulations with the ASCOT code of a tracer injection experiment on ASDEX Upgrade (AUG) are carried out to investigate the influence of toroidal field (TF) ripple and resonant magnetic perturbations (RMPs) on global 13C transport in the scrape-off layer (SOL). The conducted ASCOT simulations predict ripple to induce toroidal periodicity into the 13C deposition pattern. For resonant magnetic perturbations, the deposition pattern was observed to be locally influenced in the vicinity of the in-vessel coils creating the perturbations. In both cases, however, the global large-scale deposition of 13C remained unchanged compared to the case of an axisymmetric magnetic field.

AB - Abstract In this study, 3D orbit-following simulations with the ASCOT code of a tracer injection experiment on ASDEX Upgrade (AUG) are carried out to investigate the influence of toroidal field (TF) ripple and resonant magnetic perturbations (RMPs) on global 13C transport in the scrape-off layer (SOL). The conducted ASCOT simulations predict ripple to induce toroidal periodicity into the 13C deposition pattern. For resonant magnetic perturbations, the deposition pattern was observed to be locally influenced in the vicinity of the in-vessel coils creating the perturbations. In both cases, however, the global large-scale deposition of 13C remained unchanged compared to the case of an axisymmetric magnetic field.

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