Improved Confinement in JET High {beta} Plasmas with an ITER-Like Wall
C. D. Challis, J. Garcia, M. Beurskens, P. Buratti, E. Delabie, P., Drewelow, L. Frassinetti, C. Giroud, N. Hawkes, J. Hobirk, E. Joffrin, D., Keeling, D. B. King, C. F. Maggi, J. Mailloux, C. Marchetto, D. McDonald, I., Nunes, G. Pucella, S. Saarelma, J. Simpson
TL;DR
This paper investigates how replacing the JET carbon wall with an ITER-like Be/W wall affects plasma energy confinement, through experiments comparing different wall types and plasma shapes across various heating powers.
Contribution
It provides experimental insights into the impact of ITER-like wall materials on plasma confinement in JET, a key step for future fusion reactor design.
Findings
Confinement properties differ between C-wall and ILW configurations.
Plasma shape influences energy confinement with different wall materials.
Heating power variations affect confinement performance.
Abstract
The replacement of the JET carbon wall (C-wall) by a Be/W ITER-like wall (ILW) has affected the plasma energy confinement. To investigate this, experiments have been performed with both the C-wall and ILW to vary the heating power over a wide range for plasmas with different shapes.
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