First results from the NORTH tokamak

S. K. Nielsen; M. P. Gryaznevich; A. S. Jacobsen; T. Jensen; M. Jessen; S. B. Korsholm; J. Rasmussen; M. Salewski; M. G. Senstius; V. Naulin; R. D. Nem; M.L.H. Korsgaard; A. C. Nilsson; F. Dam; A. Goltermann; A. C. Pedersen; M. T. Sutherland; T. Aalto; A. Hokkanen; A. Salmi; T. Tala

doi:10.1016/j.fusengdes.2021.112288

First results from the NORTH tokamak

S. K. Nielsen^*, M. P. Gryaznevich, A. S. Jacobsen, T. Jensen, M. Jessen, S. B. Korsholm, J. Rasmussen, M. Salewski, M. G. Senstius, V. Naulin, R. D. Nem, M.L.H. Korsgaard, A. C. Nilsson, F. Dam, A. Goltermann, A. C. Pedersen, M. T. Sutherland, T. Aalto, A. Hokkanen, A. SalmiT. Tala

^*Corresponding author for this work

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

NORTH is a small-sized tokamak located at the Technical University of Denmark. It can be operated both as a spherical tokamak and a simple magnetized torus (SMT). Here we show first experimental results. We discuss the setup of the device, including the layout of the vacuum vessel, the magnetic field coils, the power supply systems, the heating sources, diagnostics, and the control system. We present measurements in discharges that have been heated by electron cyclotron resonance heating at the fundamental resonance. The waves have been injected both from the low-field side and the high-field side, and rich fluctuation spectra in Langmuir probe and Rogowski coil signals are presented during the different plasma phases. Finally, we discuss research plans and further installations to be made on NORTH.

Original language	English
Article number	112288
Journal	Fusion Engineering and Design
Volume	166
Number of pages	5
ISSN	0920-3796
DOIs	https://doi.org/10.1016/j.fusengdes.2021.112288
Publication status	Published - 2021

Keywords

Electron Bernstein wave heating
Electron cyclotron resonance heating
Plasma diagnostics
Tokamak operation

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Nielsen, S. K., Gryaznevich, M. P., Jacobsen, A. S., Jensen, T., Jessen, M., Korsholm, S. B., Rasmussen, J., Salewski, M., Senstius, M. G., Naulin, V., Nem, R. D., Korsgaard, M. L. H., Nilsson, A. C., Dam, F., Goltermann, A., Pedersen, A. C., Sutherland, M. T., Aalto, T., Hokkanen, A., ... Tala, T. (2021). First results from the NORTH tokamak. Fusion Engineering and Design, 166, [112288]. https://doi.org/10.1016/j.fusengdes.2021.112288

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title = "First results from the NORTH tokamak",

abstract = "NORTH is a small-sized tokamak located at the Technical University of Denmark. It can be operated both as a spherical tokamak and a simple magnetized torus (SMT). Here we show first experimental results. We discuss the setup of the device, including the layout of the vacuum vessel, the magnetic field coils, the power supply systems, the heating sources, diagnostics, and the control system. We present measurements in discharges that have been heated by electron cyclotron resonance heating at the fundamental resonance. The waves have been injected both from the low-field side and the high-field side, and rich fluctuation spectra in Langmuir probe and Rogowski coil signals are presented during the different plasma phases. Finally, we discuss research plans and further installations to be made on NORTH.",

keywords = "Electron Bernstein wave heating, Electron cyclotron resonance heating, Plasma diagnostics, Tokamak operation",

author = "Nielsen, {S. K.} and Gryaznevich, {M. P.} and Jacobsen, {A. S.} and T. Jensen and M. Jessen and Korsholm, {S. B.} and J. Rasmussen and M. Salewski and Senstius, {M. G.} and V. Naulin and Nem, {R. D.} and M.L.H. Korsgaard and Nilsson, {A. C.} and F. Dam and A. Goltermann and Pedersen, {A. C.} and Sutherland, {M. T.} and T. Aalto and A. Hokkanen and A. Salmi and T. Tala",

note = "Publisher Copyright: {\textcopyright} 2021 EURATOM",

year = "2021",

doi = "10.1016/j.fusengdes.2021.112288",

language = "English",

volume = "166",

journal = "Fusion Engineering and Design",

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Nielsen, SK, Gryaznevich, MP, Jacobsen, AS, Jensen, T , Jessen, M , Korsholm, SB , Rasmussen, J , Salewski, M , Senstius, MG , Naulin, V , Nem, RD, Korsgaard, MLH, Nilsson, AC, Dam, F, Goltermann, A, Pedersen, AC, Sutherland, MT, Aalto, T, Hokkanen, A, Salmi, A & Tala, T 2021, 'First results from the NORTH tokamak', Fusion Engineering and Design, vol. 166, 112288. https://doi.org/10.1016/j.fusengdes.2021.112288

TY - JOUR

T1 - First results from the NORTH tokamak

AU - Nielsen, S. K.

AU - Gryaznevich, M. P.

AU - Jacobsen, A. S.

AU - Jensen, T.

AU - Jessen, M.

AU - Korsholm, S. B.

AU - Rasmussen, J.

AU - Salewski, M.

AU - Senstius, M. G.

AU - Naulin, V.

AU - Nem, R. D.

AU - Korsgaard, M.L.H.

AU - Nilsson, A. C.

AU - Dam, F.

AU - Goltermann, A.

AU - Pedersen, A. C.

AU - Sutherland, M. T.

AU - Aalto, T.

AU - Hokkanen, A.

AU - Salmi, A.

AU - Tala, T.

PY - 2021

Y1 - 2021

N2 - NORTH is a small-sized tokamak located at the Technical University of Denmark. It can be operated both as a spherical tokamak and a simple magnetized torus (SMT). Here we show first experimental results. We discuss the setup of the device, including the layout of the vacuum vessel, the magnetic field coils, the power supply systems, the heating sources, diagnostics, and the control system. We present measurements in discharges that have been heated by electron cyclotron resonance heating at the fundamental resonance. The waves have been injected both from the low-field side and the high-field side, and rich fluctuation spectra in Langmuir probe and Rogowski coil signals are presented during the different plasma phases. Finally, we discuss research plans and further installations to be made on NORTH.

AB - NORTH is a small-sized tokamak located at the Technical University of Denmark. It can be operated both as a spherical tokamak and a simple magnetized torus (SMT). Here we show first experimental results. We discuss the setup of the device, including the layout of the vacuum vessel, the magnetic field coils, the power supply systems, the heating sources, diagnostics, and the control system. We present measurements in discharges that have been heated by electron cyclotron resonance heating at the fundamental resonance. The waves have been injected both from the low-field side and the high-field side, and rich fluctuation spectra in Langmuir probe and Rogowski coil signals are presented during the different plasma phases. Finally, we discuss research plans and further installations to be made on NORTH.

KW - Electron Bernstein wave heating

KW - Electron cyclotron resonance heating

KW - Plasma diagnostics

KW - Tokamak operation

U2 - 10.1016/j.fusengdes.2021.112288

DO - 10.1016/j.fusengdes.2021.112288

M3 - Journal article

AN - SCOPUS:85101576338

VL - 166

JO - Fusion Engineering and Design

JF - Fusion Engineering and Design

SN - 0920-3796

M1 - 112288

ER -

First results from the NORTH tokamak

Abstract

Keywords

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