Helium, hydrogen, and fuzz in plasma-facing materials

KD Hammond - Materials Research Express, 2017 - iopscience.iop.org
Tungsten, the primary material under consideration as the divertor material in magnetic-
confinement nuclear fusion reactors, has been known for the last decade to form'fuzz'—a …

Overview of the JET results in support to ITER

X Litaudon, S Abduallev, M Abhangi, P Abreu… - Nuclear …, 2017 - iopscience.iop.org
The European nuclear fusion research community has elaborated a Roadmap to the
realisation of fusion energy in which 'ITER is the key facility and its success is the most …

Long-term fuel retention in JET ITER-like wall

K Heinola, A Widdowson, J Likonen, E Alves… - Physica …, 2016 - iopscience.iop.org
Post-mortem studies with ion beam analysis, thermal desorption, and secondary ion mass
spectrometry have been applied for investigating the long-term fuel retention in the JET ITER …

WALLDYN simulations of global impurity migration in JET and extrapolations to ITER

K Schmid, K Krieger, SW Lisgo, G Meisl… - Nuclear …, 2015 - iopscience.iop.org
The migration of first wall material due to erosion, plasma transport and re-deposition is one
of the key challenges in current and future fusion devices. To predict erosion/re-deposition …

Wall conditioning in fusion devices with superconducting coils

T Wauters, D Borodin, R Brakel… - Plasma physics and …, 2020 - iopscience.iop.org
Wall conditioning is essential in tokamak and stellarator research to achieve plasma
performance and reproducibility. This paper presents an overview of recent conditioning …

First dust study in JET with the ITER-like wall: sampling, analysis and classification

A Baron-Wiechec, E Fortuna-Zaleśna, J Grzonka… - Nuclear …, 2015 - iopscience.iop.org
Results of the first dust survey in JET with the ITER-Like Wall (JET-ILW) are presented. The
sampling was performed using adhesive stickers from the divertor tiles where the greatest …

Characterisation of the deuterium recycling at the W divertor target plates in JET during steady-state plasma conditions and ELMs

S Brezinsek, S Wiesen, D Harting, C Guillemaut… - Physica …, 2016 - iopscience.iop.org
Experiments in the JET tokamak equipped with the ITER-like wall (ILW) revealed that the
inner and outer target plate at the location of the strike points represent after one year of …

Materials-related issues in the safety and licensing of nuclear fusion facilities

N Taylor, B Merrill, L Cadwallader, L Di Pace… - Nuclear …, 2017 - iopscience.iop.org
Fusion power holds the promise of electricity production with a high degree of safety and low
environmental impact. Favourable characteristics of fusion as an energy source provide the …

Isotope removal experiment in JET-ILW in view of T-removal after the 2nd DT campaign at JET

T Wauters, D Matveev, D Douai, J Banks… - Physica …, 2022 - iopscience.iop.org
A sequence of fuel recovery methods was tested in JET, equipped with the ITER-like
beryllium main chamber wall and tungsten divertor, to reduce the plasma deuterium …

Fuel inventory and material migration of JET main chamber plasma facing components compared over three operational periods

A Widdowson, S Aleiferis, E Alves, L Avotina… - Physica …, 2020 - iopscience.iop.org
Fuel retention and material migration results from JET ITER-like wall beryllium limiter tiles
are presented for three operating periods. Ion beam analysis results support the general …