The Effects of Fluid Structure Interactions on the Dynamic Characteristics of the Reactor Internals Structure of SMART

Jang Won Lee; Young Shin Lee

doi:10.4028/www.scientific.net/AMM.752-753.851

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 752-753The Effects of Fluid Structure Interactions on the...

The Effects of Fluid Structure Interactions on the Dynamic Characteristics of the Reactor Internals Structure of SMART

Abstract:

The Korea Atomic Energy Research Institutes has been developing the SMART (System integrated Modular Advanced ReacTor), an environment-friendly nuclear reactor, for the generation of electricity, and to perform desalination. SMART reactors can be exposed to various external and internal loads caused by seismic and coolant flows. Reactor structures need to be maintained for the reactor’s safety and integrity against these loads during the operational time of the SMART. This paper presents two FE-models, 3-D solid models of the reactor internals in the air and in the coolant, and then compares the results of the dynamic characteristic for the two FE-models using a commercial Finite Element tool, ANSYS V12. A solver was selected by the Block Lanczos method. These FE-models are looking forward to being executed in various researches concerning the SMART in further studies.

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Periodical:

Applied Mechanics and Materials (Volumes 752-753)

Pages:

851-858

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.752-753.851

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Online since:

April 2015

Authors:

Jang Won Lee*, Young Shin Lee

Keywords:

Dynamic Analysis, Fluid Structure Interaction (FSI), Reactor Internals, Smart

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* - Corresponding Author

References

[1] D.S. Choi, T.W. Kim, G.M. Lee, K.B. Park and M.H. Chang, Dynamic Characteristics of the SMART Reactor Vessel Assembly, Proc. Of the 15th International Conference on Structure Mechanics in Reactor Technology (SMiRT-15), (1999) 233-240.

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