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Cavitation inception upstream of liquid lithium target for intense fusion neutron source
https://repo.qst.go.jp/records/48898
https://repo.qst.go.jp/records/488982ef631c4-c2a6-45c6-8b41-a9408c33d906
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-05-08 | |||||
タイトル | ||||||
タイトル | Cavitation inception upstream of liquid lithium target for intense fusion neutron source | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
近藤, 浩夫
× 近藤, 浩夫× Kanemura, Takuji× Furukawa, Tomohiro× Hirakawa, Yasushi× Wakai, Eiichi× 近藤 浩夫 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A liquid Li free-surface stream flowing at 15 m/s under a high vacuum of 10−3Pa is to serve as a beam target (Li target) for an intense neutron source such as the planned International Fusion Materials Irradiation Facility (IFMIF). This study examines cavitation-like acoustic noise occurring upstream of the Li target. This noise is detected using an acoustic emission sensor that is installed at a Li target assembly in which the Li target was produced. A time-frequency analysis by continuous wavelet transform (CWT)was performed to characterize the acoustic noise, which determined the cause of the acoustic signal was cavitation. And the occurrence of cavitation was discussed by using Bernoulli’s equation and compared with the experimental observations. As a consequence, we revealed a criterion of inception of cavitation and a proper startup pressure of the Li target, which will be a design basis for the future IFMIF Li target facility. | |||||
書誌情報 |
Fusion Engineering and Design 巻 124, p. 990-994, 発行日 2018-05 |
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DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.fusengdes.2017.05.106 |