Divertor impurity seeding experiments at the COMPASS tokamak
M Komm, I Khodunov, J Cavalier, P Vondracek… - Nuclear …, 2019 - iopscience.iop.org
Partial detachment is the desired regime for the baseline burning plasma scenario in ITER
and other next-step devices, as it allows for the dissipation of the majority of the energy …
and other next-step devices, as it allows for the dissipation of the majority of the energy …
Runaway electron experiments at COMPASS in support of the EUROfusion ITER physics research
J Mlynar, O Ficker, E Macusova… - Plasma Physics and …, 2018 - iopscience.iop.org
The role of the COMPASS tokamak in research of generation, confinement and losses of
runaway electron (RE) population is presented. Recently, two major groups of experiments …
runaway electron (RE) population is presented. Recently, two major groups of experiments …
Current research into applications of tomography for fusion diagnostics
Retrieving spatial distribution of plasma emissivity from line integrated measurements on
tokamaks presents a challenging task due to ill-posedness of the tomography problem and …
tokamaks presents a challenging task due to ill-posedness of the tomography problem and …
Runaway electron beam stability and decay in COMPASS
O Ficker, E Macusova, J Mlynar, D Bren… - Nuclear …, 2019 - iopscience.iop.org
This paper presents two scenarios used for generation of a runaway electron (RE) beam in
the COMPASS tokamak with a focus on the decay phase and control of the beam. The first …
the COMPASS tokamak with a focus on the decay phase and control of the beam. The first …
Progress in diagnostics of the COMPASS tokamak
The COMPASS tokamak at IPP Prague is a small-size device with an ITER-relevant plasma
geometry and operating in both the Ohmic as well as neutral beam assisted H-modes since …
geometry and operating in both the Ohmic as well as neutral beam assisted H-modes since …
[HTML][HTML] Implementing an X-ray tomography method for fusion devices
A Jardin, J Bielecki, D Mazon, Y Peysson, K Król… - The European Physical …, 2021 - Springer
In fusion devices, the X-ray plasma emissivity contains essential information on the
magnetohydrodynamic activity, the magnetic equilibrium and on the transport of impurities …
magnetohydrodynamic activity, the magnetic equilibrium and on the transport of impurities …
A maximum likelihood tomographic method applied to JET gamma ray emission during the current quench
In recent years, a new inversion method has been adapted to JET tomographic diagnostics.
It is based on the Maximum Likelihood (ML) approach and has been applied to most …
It is based on the Maximum Likelihood (ML) approach and has been applied to most …
Current quench and vessel currents characterisation at the COMPASS tokamak
E Matveeva, J Havlicek, FJ Artola… - Plasma Physics and …, 2022 - iopscience.iop.org
The characterisation of plasma current quench and understanding of its underlying physical
processes play a crucial role when designing large fusion devices such as ITER. For the first …
processes play a crucial role when designing large fusion devices such as ITER. For the first …
Reconstruction of the emissivity and flow for Doppler coherence imaging spectroscopy (CIS) on J-TEXT
B Li, T Wang, L Nie, T Long, X Zhang… - Fusion Engineering and …, 2022 - Elsevier
Doppler coherence imaging spectroscopy (CIS) has been installed on J-TEXT tokamak to
provide a wealth of information for carbon impurity ions (CIII). To obtain the local emissivity …
provide a wealth of information for carbon impurity ions (CIII). To obtain the local emissivity …
On the effects of missing chords and systematic errors on a new tomographic method for JET bolometry
The accurate quantification of the emitted radiation is an important element in the
interpretation of Tokamak performance and in the design of experiments. The spatial …
interpretation of Tokamak performance and in the design of experiments. The spatial …