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Modeling of sputtering erosion/redeposition—status and implications for fusion design

Jeffrey N. Brooks2002年Fusion Engineering and DesignIF 1.7出版社

AbstractThis paper reviews sputtering erosion/redeposition modeling for plasma facing surfaces. Basics of the WBC Monte Carlo impurity transport code are described. An example analysis is shown for erosion of a liquid tin fusion reactor divertor. Multiyear erosion studies of candidate divertor and first wall coating materials (Li, Be, C, W, etc.) are summarized—showing generally serious erosion concerns for low-Z solid materials, and encouraging results for high-Z materials and liquid divertor surfaces. Future goals are discussed, e.g. for supercomputer modeling.

日本語訳

本要旨は、プラズマ対向面におけるスパッタリング侵食と再堆積のモデリングについて概説するものである。WBCモンテカルロ不純物輸送コードの基本を説明する。液体スズダイバータの侵食に関する解析例を示す。ダイバータおよび第一壁コーティング材料(Li、Be、C、Wなど)の多年度にわたる侵食研究をまとめ、低Z固体材料では一般に深刻な侵食の懸念がある一方、高Z材料および液体ダイバータ表面では有望な結果が得られていることを示す。今後の目標として、スーパーコンピュータを用いたモデリングなどについて議論する。

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