Numerical Simulation of Fluid-Structure Interaction for Tube Bundles

FENG Zhi-peng; ZHANG Yi-xiong; ZANG Feng-gang

doi:10.3879/j.issn.1000-0887.2013.11.006

Volume 34 Issue 11

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FENG Zhi-peng, ZHANG Yi-xiong, ZANG Feng-gang. Numerical Simulation of Fluid-Structure Interaction for Tube Bundles[J]. Applied Mathematics and Mechanics, 2013, 34(11): 1165-1172. doi: 10.3879/j.issn.1000-0887.2013.11.006

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Numerical Simulation of Fluid-Structure Interaction for Tube Bundles

doi: 10.3879/j.issn.1000-0887.2013.11.006

Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu 610041, P.R.China

Received Date: 2013-07-08
Rev Recd Date: 2013-07-19
Publish Date: 2013-11-15

Abstract

Abstract

A numerical model for three-dimensional flow induced vibration was proposed. It was conducted in order to further improve the solution of fluid-structure interaction problems, occurring in the nuclear power field such as the behavior of PWR fuel rod, stream generators and other heat exchangers’tubes. A three-dimensional unsteady Navier-Stokes equation was computed with LES model. The numerical method was based on finite volume discretization large eddy simulation approach on structured grids combined with the technique of dynamic mesh. The model presented a three dimensional fully-coupled approach to solving simultaneously the fluid flow and the structure vibration, for the tube bundles in cross flows. The flow induced vibration characteristics of a single tube was first analyzed based on the FSI method. Both the dynamic response and flow characteristics were obtained. Secondly, the mutual influence of two tubes, either inline or parallel set was investigated based on the FIV numerical model for tube bundles. Finally, the flow induced vibration characteristics of 3×3 tube bundles were studied.
- flow induced vibration,
- tube bundle,
- LES,
- CFD

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References(8)

References

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