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Benchmarking of a 1D scrape-off layer code SOLF1D with SOLPS and its use in modelling long-legged divertors

E Havlíčková, W Fundamenski, F Subba, D Coster, M Wischmeier, G Fishpool2013年Plasma Physics and Controlled FusionIF 2.2出版社

A 1D code modelling scrape-off layer (SOL) transport parallel to the magnetic field (SOLF1D) is benchmarked with 2D simulations of MAST-U SOL performed via the SOLPS code for two different collisionalities. Based on this comparison, SOLF1D is then used to model the effects of divertor leg stretching in 1D, in support of the planned Super-X divertor on MAST. The aim is to separate magnetic flux expansion from volumetric power losses due to recycling neutrals by stretching the divertor leg either vertically (∇B∥ = 0 in the divertor) or radially (B ∝ 1/R).

日本語訳

磁場に平行なスクレイプオフ層輸送をモデル化する1次元コード(SOLF1D)を、SOLPSコードによるMAST-Uのスクレイプオフ層の2次元シミュレーションと、2つの異なる衝突度条件下でベンチマークした。この比較に基づき、SOLF1Dを用いて、計画中のMAST-UのSuper-Xダイバータを支援するため、ダイバータ脚部の伸長が1次元で及ぼす効果をモデル化した。その目的は、ダイバータ脚部を垂直方向(ダイバータ内で∇B∥ = 0)または径方向(B ∝ 1/R)に伸長させることにより、磁束拡大とリサイクリング中性粒子による体積損失を分離することである。

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mast中精度(概要文一致)

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Scrape-off layerScrape-Off Layer Plasma Simulation
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