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Risk analysis of wall forces in high-current RFP plasma operations

D Abate2022年Plasma Physics and Controlled FusionIF 2.2出版社

In this paper, the definition of a framework for assessing and managing the risk related to magnetic forces on the wall during high-current reversed field pinch (RFP) plasma operations is presented. The magnetic forces occurring in 582 RFX-mod shots with fast termination are computed for the whole discharge duration. The resulting force distribution is examined using statistical tools from extreme value theory to estimate the magnitude and probability of large potential values of forces during the operations. Starting from RFX-mod results, the risk related to wall forces is quantified for RFX-mod2 operations.

日本語訳

本論文では、大電流反転磁場ピンチ(RFP)プラズマ運転中における壁面に作用する磁気力に関連するリスクを評価・管理するための枠組みの定義を提示する。高速終端を伴う582回のRFX-mod放電において発生する磁気力を、全放電期間にわたって計算した。得られた力の分布を、極値理論に基づく統計的手法を用いて解析し、運転中に発生し得る大きな力の大きさと発生確率を推定した。RFX-modの結果に基づき、RFX-mod2運転における壁面力に関連するリスクを定量化した。

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Reversed field pinch
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