Characterisation of ion temperature and toroidal rotation on the ST40 tokamak

J. Wood; B. Lomanowski; E. Delabie; H. V. Willett; M. Sertoli; J. Varje

doi:10.1088/1748-0221/18/03/C03019

Characterisation of ion temperature and toroidal rotation on the ST40 tokamak

J. Wood, B. Lomanowski, E. Delabie, H. V. Willett, M. Sertoli, J. Varje

Power Exhaust and Particle Control

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3 Scopus citations

Abstract

ST40 is a high field low-aspect ratio spherical tokamak built and operated by Tokamak Energy Ltd. Recent plasma operations were aimed at exploring operational scenarios to maximise the central plasma temperature and have culminated in the achievement of thermal ion temperatures of over 9 keV. This paper presents ion temperature and toroidal rotation measurements performed on ST40 during the 2021-22 campaign for a range of different scenarios. Several independent diagnostic systems are used, analysing their correlation and interpreting their differences using new diagnostic forward models.

Original language	English
Article number	C03019
Journal	Journal of Instrumentation
Volume	18
Issue number	3
DOIs	https://doi.org/10.1088/1748-0221/18/03/C03019
State	Published - Mar 1 2023

Keywords

Analysis and statistical methods
Plasma diagnostics - charged-particle spectroscopy
Simulation methods and programs
Spectrometers

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This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1088/1748-0221/18/03/C03019

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title = "Characterisation of ion temperature and toroidal rotation on the ST40 tokamak",

abstract = "ST40 is a high field low-aspect ratio spherical tokamak built and operated by Tokamak Energy Ltd. Recent plasma operations were aimed at exploring operational scenarios to maximise the central plasma temperature and have culminated in the achievement of thermal ion temperatures of over 9 keV. This paper presents ion temperature and toroidal rotation measurements performed on ST40 during the 2021-22 campaign for a range of different scenarios. Several independent diagnostic systems are used, analysing their correlation and interpreting their differences using new diagnostic forward models.",

keywords = "Analysis and statistical methods, Plasma diagnostics - charged-particle spectroscopy, Simulation methods and programs, Spectrometers",

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AU - Wood, J.

AU - Lomanowski, B.

AU - Delabie, E.

AU - Willett, H. V.

AU - Sertoli, M.

AU - Varje, J.

PY - 2023/3/1

Y1 - 2023/3/1

N2 - ST40 is a high field low-aspect ratio spherical tokamak built and operated by Tokamak Energy Ltd. Recent plasma operations were aimed at exploring operational scenarios to maximise the central plasma temperature and have culminated in the achievement of thermal ion temperatures of over 9 keV. This paper presents ion temperature and toroidal rotation measurements performed on ST40 during the 2021-22 campaign for a range of different scenarios. Several independent diagnostic systems are used, analysing their correlation and interpreting their differences using new diagnostic forward models.

AB - ST40 is a high field low-aspect ratio spherical tokamak built and operated by Tokamak Energy Ltd. Recent plasma operations were aimed at exploring operational scenarios to maximise the central plasma temperature and have culminated in the achievement of thermal ion temperatures of over 9 keV. This paper presents ion temperature and toroidal rotation measurements performed on ST40 during the 2021-22 campaign for a range of different scenarios. Several independent diagnostic systems are used, analysing their correlation and interpreting their differences using new diagnostic forward models.

KW - Analysis and statistical methods

KW - Plasma diagnostics - charged-particle spectroscopy

KW - Simulation methods and programs

KW - Spectrometers

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DO - 10.1088/1748-0221/18/03/C03019

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VL - 18

JO - Journal of Instrumentation

JF - Journal of Instrumentation

IS - 3

M1 - C03019

ER -

Characterisation of ion temperature and toroidal rotation on the ST40 tokamak

Abstract

Keywords

UN SDGs

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