2013 Fiscal Year Final Research Report
Extended research related to the direct observation and control of liquid metal flow dynamics
| Project/Area Number |
22246129
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Nuclear engineering
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| Research Institution | Osaka University |
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Principal Investigator |
FUKUDA Takeshi 大阪大学, 工学(系)研究科(研究院), 教授 (50354585)
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| Co-Investigator(Kenkyū-buntansha) |
HORIIKE Hiroshi 大阪大学, 大学院工学研究科, 教授 (20252611)
TAKATA Takashi 大阪大学, 大学院工学研究科, 准教授 (40423206)
SUZUKI Sachiko 大阪大学, 大学院工学研究科, 助教 (20403157)
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| Co-Investigator(Renkei-kenkyūsha) |
KAMIDE Hideki 原子力研究開発機構, グループリーダー (40421573)
KIMURA Nobuyuki 日本原子力研究開発機構, 研究員 (60421575)
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| Project Period (FY) |
2010-05-31 – 2014-03-31
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| Keywords | 高速増殖炉 / 熱流動工学 / 液体ナトリウム / 粒子画像速度計 / 可視化計測 / 真空紫外光 / ローレンツ力 / 流れ場の制御 |
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| Research Abstract |
As a bona fide extension of the exploratory work, where direct observation and active control of sodium flow dynamics have first been proposed using coherent VUV radiation, we have further extended its engineering capability to demonstrate that the proven proposition of 'transparent sodium' is practically applicable to reactor-relevant conditions, and spatial resolution of the velocity field measurement could also be improved sufficiently for comparison with large-scale simulation results. The ab-initio calculations have also been carried out. As a replacement of the emission from the induced Raman scattering, an electron-beam excited Ar excimer source has been employed, which has substantially increased the signal intensity. In addition, an imaging spectrometer has been introduced to identify the optical components from the trace graphite particles. Consequently, it was shown that the 2D liquid sodium flow velocity field could be resolved within the resolution of a few mm.
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[Journal Article] Direct observation and control of eddy formation dynamics and behavior of vortices in the interior of liquid sodium flow under ExB field2011
Author(s)
T.Fukuda, K.Asai, T.Kyuno, T.Takata, H.Horiike, N.Kimura, H.Kamide, T.Kawachi, H.Daido
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Journal Title
proc. ICONE19 (May 16-19, 2011, Chiba)
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