Direct numerical simulation of fluid flow in a 5x5 square rod bundle

Adam Kraus,Elia Merzari,Thomas Norddine,Oana Marin,Sofiane Benhamadouche

International Journal of Heat and Fluid Flow（2021）

引用 7|浏览8

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摘要

•First DNS for turbulent flow in a 5x5 rod bundle geometry in open literature.•Anisotropy invariant analysis demonstrates shift to two-component turbulence unique to the wall gaps.•Turbulent kinetic energy budgets in different subchannels are provided.•Multiple analysis methods suggest presence of gap vortices in edge subchannels.

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关键词

Direct numerical simulation,CFD,Rod bundle,Turbulent kinetic energy budget,Nek5000

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