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Validation of Liquid Lithium Target Stability for an Intense Neutron Source
https://repo.qst.go.jp/records/48981
https://repo.qst.go.jp/records/48981279ebd7d-98cf-4f23-8b52-dbb6b75363cc
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-05-11 | |||||
タイトル | ||||||
タイトル | Validation of Liquid Lithium Target Stability for an Intense Neutron Source | |||||
言語 | ||||||
言語 | eng | |||||
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× Eakai, Eiichi× 近藤 浩夫 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This paper reports on the validation results for the stability of a liquid lithium (Li) target being intended for use as an intense fusion neutron source such as the International Fusion Materials Irradiation Facility (IFMIF), the Advanced Fusion Neutron Source (A-FNS), and the DEMO Oriented Neutron Source (DONES). The variation in the thickness of a Li target must be suppressed to within ±1 mm inside a deuteron beam footprint to both maintain the integrity of the Li target and guarantee the desired level of the neutron flux. We achieve a stable Li target with an average thickness variation of just 0.17 mm inside the beam footprint under standard IFMIF operating conditions (target speed: 15 m/s, vacuum pressure: 10−3 Pa, and Li temperature: 250 °C). Moreover, the mean and maximum wave amplitudes under such conditions were found to be 0.26 mm and 1.46 mm, respectively, at the beam center; these are small enough to satisfy the operational requirements. Finally, it was determined that the stability of the Li target remained unchanged despite using it for a period of 1,561 h. This finding is regarded as a significant step toward the realization of the IFMIF and the potential use of relevant neutron sources such as A-FNS and DONES. | |||||
書誌情報 |
Nuclear Fusion 巻 57, p. 066008, 発行日 2017-04 |
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DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1088/1741-4326/aa5fbd |