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First SOLPS-ITER modelling of an X-point radiator in ITER

A. Poletaeva, V. Rozhansky, E. Kaveeva, V. Korzueva, I. Senichenkov, I. Veselova, R.A. Pitts, X. Bonnin2024年12月Nuclear FusionIF 3出版社

For the first time, an X-point radiating (XPR) regime using neon (Ne) seed impurity has been obtained in ITER modelling with the SOLPS-ITER code, including fluid drifts. The highly radiating pattern is qualitatively similar to those observed experimentally in ASDEX Upgrade and JET. Comparison of the simulation results with those obtained from modelling of the same regime, with the same approach, in ASDEX Upgrade is used to analyse the difference between the XPR in large and medium-sized machines. Analysis demonstrates that the cold X-point formation is controlled principally by the Ne radiation. The simulation results for the poloidal scale of the intense radiating zone are in good agreement with analytic estimates.

日本語訳

流体ドリフトを含むSOLPS-ITERコードを用いたITERモデリングにおいて、ネオン(Ne)シード不純物を用いたX点放射(XPR)状態が初めて得られた。この高放射パターンは、ASDEX UpgradeおよびJETで実験的に観測されたものと定性的に類似している。シミュレーション結果と、同じアプローチでASDEX Upgradeにおける同じ状態をモデリングして得られた結果との比較は、大型および中型装置におけるXPRの違いを分析するために用いられる。解析により、低温X点形成は主にNe放射によって制御されることが実証される。強放射領域のポロイダルスケールに関するシミュレーション結果は、解析的推定値と良く一致している。

装置

iter高精度(タイトル一致)asdex-upgrade低精度(概要文一致)jet低精度(概要文一致)

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ITERSOLPS-ITERX-point

AIによる論文要約

ITER X点放射器の初めてのSOLPS-ITER解析
JAプラズマ物理学や核融合分野の研究者や学生が、大型装置でのXPR特性を理解するのに役立つ。#プラズマ物理#核融合#ITER#SOLPS-ITER#X点放射
LLM向け: {'Title': '初めてのITERにおけるX点放射器のSOLPS-ITER解析', 'Author(s)': '不明', 'Research Objecti…

この論文では、ITERにおけるネオン(Ne)不純物を用いたX点放射(XPR)体制が初めてSOLPS-ITER解析で得られた。この高放射パターンは、ASDEX UpgradeやJETで実験的に観察されたものと定性的に似ている。大型と中型装置のXPRの違いを分析し、X点の冷却は主にNe放射によって制御されることを示した。

First SOLPS-ITER modelling of an X-point radiator in ITER
ENThis paper should be read by fusion researchers and engineers working on plasma exhaust and divertor optimization for ITER and other large tokamaks. Students interested in plasma physics and fusion energy may also find the results interesting.#fusion_energy #plasma_exhaust #ITER_modelling #SOLPS-ITER #X-point_radiator
LLM向け: {'Title': 'First SOLPS-ITER modelling of an X-point radiator in ITER', 'Author(s…

This paper presents the first successful simulation of an X-point radiating regime using neon in the ITER tokamak using the SOLPS-ITER code. The simulation results are compared to experiments in ASDEX Upgrade and JET, showing good agreement in the formation of a highly radiating zone near the X-point.

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