可視化情報学会誌
Online ISSN : 1884-037X
Print ISSN : 0916-4731
ISSN-L : 0916-4731
A233 T字形配管合流部の流動特性に及ぼす乱流プロモータの影響
中嶋 尚広佐々 泰副檜原 秀樹村松 壽晴越智 順治岩本 幸治十河 基介
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2004 年 24 巻 Supplement2 号 p. 135-138

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Recently in nuclear plants, it has occurred thermal fatigue failure accidents because of thermal fluctuations that called Thermal Striping in T-junction where mixed a higher temperature sodium and a colder temperature sodium into each other. Then, we set up turbulence promoter in T-junction piping system, effects of turbulence promoter on flow characteristics have been investigated experimentally using flow visualization techniques (the dye injection method) and velocity measurement by LDV. As a result, it is clarified that secondary streams in pipe sections becomes stronger and diffusion of momentum is promoted in case with turbulent promoter.
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