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Tungsten control in long pulse operation: feedback from WEST to ITER

P Maget, P Manas, J Morales, K Afonin, C Bourdelle, J Bucalossi, G Ciraolo, R Coelho, Y Corre, J Dominski2025年4月Plasma Physics and Controlled FusionIF 2.2出版社

The full W environment that is now foreseen for ITER puts strong emphasis on experimental results obtained in present devices in similar conditions. In this context, the WEST tokamak is well equipped to bring key contributions to the preparation of ITER operation, thanks to its capability to perform long pulses in dominant electron heating, torque-free scheme based on RF systems, and its ITER-grade actively cooled divertor. Recent results of interest cover the understanding of tungsten contamination and the evaluation of conditioning methods, the feedback on the current ramp-up phase, and the ageing of the ITER divertor components in L-mode attached condition. New directions are being explored, in particular low divertor temperature operation that should be the normal operating regime of ITER. We also report on tungsten peaking physics, and the role of light impurity content.

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AIによる論文要約

長パルス運転におけるタングステンの制御: WEST からITERへのフィードバック
JAこの論文は、ITER建設に向けた技術開発に携わる研究者や、長パルス高性能プラズマ運転に興味のある核融合研究者に有益です。特に、プラズマ対向機器の挙動や、長時間運転における課題と解決策を理解したい人にお勧めです。#ITER #WEST #タングステン #長パルス運転 #プラズマ対向機器
LLM向け: {'Title': '長パルス運転におけるタングステンの制御: WEST からITERへのフィードバック', 'Author(s)': '不明', 'Resea…

この論文では、ITER向けの長パルス運転におけるタングステンの挙動について、WESTトカマクの実験結果をまとめています。特に、タングステン汚染の理解、コンディショニング手法の評価、電流立ち上げ時の課題、ITER ダイバータの経年変化などが報告されています。また、低ダイバータ温度運転の可能性や、不純物含有量とタングステンのピーキングの関係など、ITER運転に向けた新しい知見も示されています。

Tungsten control in long pulse operation: feedback from WEST to ITER
ENThis paper is of interest to fusion researchers and engineers working on ITER and other tokamak devices, as it provides valuable insights and feedback from the WEST tokamak that can inform the design and operation of ITER.#ITER #WEST #TungstenControl #LongPulseOperation #DivertorAging
LLM向け: {'Title': 'Tungsten control in long pulse operation: feedback from WEST to ITER'…

This paper discusses the WEST tokamak's contributions to preparing ITER operation, focusing on understanding tungsten contamination, evaluating conditioning methods, and studying the aging of ITER divertor components in L-mode attached condition. It also explores low divertor temperature operation and tungsten peaking physics.

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