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

J. Miettunen; Markus I. Airila; M. Groth; V. Lindholm; Tapani Makkonen; S. Äkäslompolo; ASDEX Upgrade Team

doi:10.1016/j.jnucmat.2014.10.095

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

J. Miettunen^*, Markus I. Airila, M. Groth, V. Lindholm, Tapani Makkonen, S. Äkäslompolo, ASDEX Upgrade Team

^*Corresponding author for this work

Aalto University

Research output: Contribution to journal › Article › Scientific › peer-review

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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 language	English
Article number	48592
Pages (from-to)	459-462
Journal	Journal of Nuclear Materials
Volume	463
DOIs	https://doi.org/10.1016/j.jnucmat.2014.10.095
Publication status	Published - 22 Jul 2015
MoE publication type	A1 Journal article-refereed

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10.1016/j.jnucmat.2014.10.095

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@article{04aecb4abb72410194a4c838836c86c7,

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, \{Markus I.\} and M. Groth and V. Lindholm and Tapani Makkonen and S. {\"A}k{\"a}slompolo and \{ASDEX Upgrade Team\}",

year = "2015",

month = jul,

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doi = "10.1016/j.jnucmat.2014.10.095",

language = "English",

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journal = "Journal of Nuclear Materials",

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TY - JOUR

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

AU - Miettunen, J.

AU - Airila, Markus I.

AU - Groth, M.

AU - Lindholm, V.

AU - Makkonen, Tapani

AU - Äkäslompolo, S.

AU - ASDEX Upgrade Team

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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U2 - 10.1016/j.jnucmat.2014.10.095

DO - 10.1016/j.jnucmat.2014.10.095

M3 - Article

AN - SCOPUS:84937729201

SN - 0022-3115

VL - 463

SP - 459

EP - 462

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

M1 - 48592

ER -

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

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