Fluid-elastic instability evaluation for reactor vessel internals with structural interaction

Provided fluid velocity reaches a specific threshold value, the vibrational amplitude of the corresponding structure increases rapidly and becomes unstable. Even though nuclear industrial concerns have been focused primarily on heat exchangers, steam generators and pipes, evaluation of flow-induced...

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Bibliographic Details
Published in:	Progress in nuclear energy (New series) Vol. 110; pp. 41 - 50
Main Authors:	Kim, Tae-Jin, Je, Sang-Yun, Chang, Yoon-Suk
Format:	Journal Article
Language:	English
Published:	Oxford Elsevier Ltd 01-01-2019 Elsevier BV
Subjects:	Assembly Boilers CFD analysis Computational fluid dynamics Elastic instability Flow characteristics Flow generated vibrations Fluid dynamics Fluid-elastic instability Fluid-structure interaction Heat exchangers Interaction models Mathematical models Modal analysis Nuclear engineering Nuclear fuels Nuclear power plants Nuclear reactors Nuclear safety Numerical methods Porous materials Porous media Reactor vessel internals Resonant frequencies Safety margins Stability analysis Structural stability Tubes Porous media Fluid-elastic instability Modal analysis CFD analysis Reactor vessel internals
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