Pellet injection experiments and modelling

B Pégourié - Plasma Physics and Controlled Fusion, 2007 - iopscience.iop.org
During the last decade, significant progress has been made in the field of pellet injection
with (1) the identification of the drift of the deposited material in the inhomogeneous …

Tungsten as material for plasma-facing components in fusion devices

V Philipps - Journal of nuclear materials, 2011 - Elsevier
The use of tungsten (W) as material for plasma-facing components (PFM) in fusion devices
is reviewed with respect to its plasma and material compatibility under burning plasmas …

Operating a full tungsten actively cooled tokamak: overview of WEST first phase of operation

J Bucalossi, J Achard, O Agullo, T Alarcon… - Nuclear …, 2022 - iopscience.iop.org
WEST is an MA class superconducting, actively cooled, full tungsten (W) tokamak, designed
to operate in long pulses up to 1000 s. In support of ITER operation and DEMO conceptual …

Atomic data and spectral line intensities for highly ionized tungsten (Co-like W47+ to Rb-like W37+) in a high-temperature, low-density plasma

KB Fournier - Atomic Data and Nuclear Data Tables, 1998 - Elsevier
Calculated transition wavelengths, oscillator strengths, and collisional-radiative line
intensities are presented for the 11 tungsten (Z= 74) ions from Co-like W47+ to Rb-like …

A review of recent experiments on W and high Z materials as plasma-facing components in magnetic fusion devices

N Noda, V Philipps, R Neu - Journal of nuclear materials, 1997 - Elsevier
Since the 10th PSI conference in 1992, high Z refractory metals have been attracting
growing interest as candidates for plasma facing materials, because of their resistance …

Effective screening of iron impurities in the ergodic layer of the Large Helical Device with a metallic first wall

S Morita, CF Dong, M Kobayashi, M Goto… - Nuclear …, 2013 - iopscience.iop.org
Abstract In the Large Helical Device (LHD) operated with a metallic (stainless steel) first wall,
it is found that the iron density, n Fe, at the plasma core is fairly low (n Fe⩽ 10 8 cm− 3) in …

Comparison of tokamak behaviour with tungsten and low-Z plasma facing materials

V Philipps, R Neu, J Rapp, U Samm… - Plasma Physics and …, 2000 - iopscience.iop.org
Graphite wall materials are used in present day fusion devices in order to optimize plasma
core performance and to enable access to a large operational space. A large physics …

Healing plasma current ramp-up by nitrogen seeding in the full tungsten environment of WEST

P Maget, P Manas, JF Artaud, C Bourdelle… - Plasma Physics and …, 2022 - iopscience.iop.org
Achieving a successful plasma current ramp-up in a full tungsten tokamak can be
challenging due to the large core radiation (and resulting low core temperature) that can be …

Effects of high density peaking and high collisionality on the stabilization of the electrostatic turbulence in the Frascati Tokamak Upgrade

M Romanelli, C Bourdelle, W Dorland - Physics of Plasmas, 2004 - pubs.aip.org
Experiments carried out on the Frascati Tokamak Upgrade (FTU)[B. Angelini et al., Nucl.
Fusion 43, 1632 (2003)] with the injection of deuterium pellets in ohmic, high density …

X-ray and VUV observations of brightness profiles from Alcator C-Mod plasmas

JE Rice, JL Terry, KB Fournier, MA Graf… - Journal of Physics B …, 1996 - iopscience.iop.org
Brightness profiles of x-ray and VUV lines from eight molybdenum charge states between
and have been measured in Alcator C-Mod plasmas. These spatial profiles agree very well …