Global migration of impurities in tokamaks

A. Hakola; M. I. Airila; C. Björkas; D. Borodin; S. Brezinsek; J. P. Coad; M. Groth; A. Järvinen; A. Kirschner; S. Koivuranta; K. Krieger; T. Kurki-Suonio; J. Likonen; V. Lindholm; T. Makkonen; M. Mayer; J. Miettunen; H. W. Müller; R. Neu; P. Petersson; V. Rohde; M. Rubel; A. Widdowson

doi:10.1088/0741-3335/55/12/124029

Global migration of impurities in tokamaks

A. Hakola, M. I. Airila, C. Björkas, D. Borodin, S. Brezinsek, J. P. Coad, M. Groth, A. Järvinen, A. Kirschner, S. Koivuranta, K. Krieger, T. Kurki-Suonio, J. Likonen, V. Lindholm, T. Makkonen, M. Mayer, J. Miettunen, H. W. Müller, R. Neu, P. PeterssonV. Rohde, M. Rubel, A. Widdowson

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

15 Zitate (Scopus)

Abstract

The migration of impurities in tokamaks has been studied with the help of tracer-injection (¹³C and ¹⁵N) experiments in JET and ASDEX Upgrade since 2001. We have identified a common pattern for the migrating particles: scrape-off layer flows drive impurities from the low-field side towards the high-field side of the vessel. Migration is also sensitive to the density and magnetic configuration of the plasma, and strong local variations in the resulting deposition patterns require 3D treatment of the migration process. Moreover, re-erosion of the deposited particles has to be taken into account to properly describe the migration process during steady-state operation of the tokamak.

Originalsprache	Englisch
Aufsatznummer	124029
Fachzeitschrift	Plasma Physics and Controlled Fusion
Jahrgang	55
Ausgabenummer	12
DOIs	https://doi.org/10.1088/0741-3335/55/12/124029
Publikationsstatus	Veröffentlicht - Dez. 2013
Extern publiziert	Ja

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10.1088/0741-3335/55/12/124029

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Hakola, A., Airila, M. I., Björkas, C., Borodin, D., Brezinsek, S., Coad, J. P., Groth, M., Järvinen, A., Kirschner, A., Koivuranta, S., Krieger, K., Kurki-Suonio, T., Likonen, J., Lindholm, V., Makkonen, T., Mayer, M., Miettunen, J., Müller, H. W., Neu, R., ... Widdowson, A. (2013). Global migration of impurities in tokamaks. Plasma Physics and Controlled Fusion, 55(12), Artikel 124029. https://doi.org/10.1088/0741-3335/55/12/124029

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title = "Global migration of impurities in tokamaks",

abstract = "The migration of impurities in tokamaks has been studied with the help of tracer-injection (13C and 15N) experiments in JET and ASDEX Upgrade since 2001. We have identified a common pattern for the migrating particles: scrape-off layer flows drive impurities from the low-field side towards the high-field side of the vessel. Migration is also sensitive to the density and magnetic configuration of the plasma, and strong local variations in the resulting deposition patterns require 3D treatment of the migration process. Moreover, re-erosion of the deposited particles has to be taken into account to properly describe the migration process during steady-state operation of the tokamak.",

author = "A. Hakola and Airila, {M. I.} and C. Bj{\"o}rkas and D. Borodin and S. Brezinsek and Coad, {J. P.} and M. Groth and A. J{\"a}rvinen and A. Kirschner and S. Koivuranta and K. Krieger and T. Kurki-Suonio and J. Likonen and V. Lindholm and T. Makkonen and M. Mayer and J. Miettunen and M{\"u}ller, {H. W.} and R. Neu and P. Petersson and V. Rohde and M. Rubel and A. Widdowson",

year = "2013",

month = dec,

doi = "10.1088/0741-3335/55/12/124029",

language = "English",

volume = "55",

journal = "Plasma Physics and Controlled Fusion",

issn = "0741-3335",

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Hakola, A, Airila, MI, Björkas, C, Borodin, D, Brezinsek, S, Coad, JP, Groth, M, Järvinen, A, Kirschner, A, Koivuranta, S, Krieger, K, Kurki-Suonio, T, Likonen, J, Lindholm, V, Makkonen, T, Mayer, M, Miettunen, J, Müller, HW, Neu, R, Petersson, P, Rohde, V, Rubel, M & Widdowson, A 2013, 'Global migration of impurities in tokamaks', Plasma Physics and Controlled Fusion, Jg. 55, Nr. 12, 124029. https://doi.org/10.1088/0741-3335/55/12/124029

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T1 - Global migration of impurities in tokamaks

AU - Hakola, A.

AU - Airila, M. I.

AU - Björkas, C.

AU - Borodin, D.

AU - Brezinsek, S.

AU - Coad, J. P.

AU - Groth, M.

AU - Järvinen, A.

AU - Kirschner, A.

AU - Koivuranta, S.

AU - Krieger, K.

AU - Kurki-Suonio, T.

AU - Likonen, J.

AU - Lindholm, V.

AU - Makkonen, T.

AU - Mayer, M.

AU - Miettunen, J.

AU - Müller, H. W.

AU - Neu, R.

AU - Petersson, P.

AU - Rohde, V.

AU - Rubel, M.

AU - Widdowson, A.

PY - 2013/12

Y1 - 2013/12

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AB - The migration of impurities in tokamaks has been studied with the help of tracer-injection (13C and 15N) experiments in JET and ASDEX Upgrade since 2001. We have identified a common pattern for the migrating particles: scrape-off layer flows drive impurities from the low-field side towards the high-field side of the vessel. Migration is also sensitive to the density and magnetic configuration of the plasma, and strong local variations in the resulting deposition patterns require 3D treatment of the migration process. Moreover, re-erosion of the deposited particles has to be taken into account to properly describe the migration process during steady-state operation of the tokamak.

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JO - Plasma Physics and Controlled Fusion

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Global migration of impurities in tokamaks

Abstract

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