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Please use this identifier to cite or link to this item: http://hdl.handle.net/11133/3573

Title: Observation of Mechanical Oscillation induced by Pulsed Plasma-Momentum Injection to Tungsten Foil in AIT-PID for Fusion Studies
Other Titles: 核融合研究のためAIT-PIDに設置されたタングステン箔へのパルスプラズマ運動量入射に伴う機械的振動の観測
カクユウゴウ ケンキュウ ノ タメ AIT PID ニ セッチ サレタ タングステンハク エノ パルスプラズマ ウンドウリョウ ニュウシャ ニ トモナウ キカイテキ シンドウ ノ カンソク
Authors: 髙村, 秀一
桑原, 竜弥
上杉, 喜彦
TAKAMURA, Shuichi
KUWABARA, Tatsuya
UESUGI, Yoshihiko
Issue Date: 31-Mar-2020
Publisher: 愛知工業大学
Abstract: Mechanical oscillation of tungsten (W) foil induced by pulsed plasma-momentum injection was observed in addition to its deflection in linear plasma generation device AIT-PID for fusion studies. It is motivated by a worry about an enormous heat flow into divertors: Edge Localized Mode (ELM) in magnetically confined fusion devices. The importance of plasma-momentum must be noted here in addition to a large amount of heat flux, especially on liquid metal divertor and melted layer of W wall surface. Visualization of momentum injection was obtained by the observation of mechanical oscillation of W foil which was modeled numerically as a cantilever configuration. The comparison of oscillation frequencies between the observation and cantilever model was made in addition to the oscillation amplitude.
URI: http://hdl.handle.net/11133/3573
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