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oaioai:EVASTAR-Karlsruhe.de:1000047019

Development and Application of a Model for the Cross-Flow Induced by Mixing Vane Spacers in Fuel Assemblies

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Publication date
1 January 2015
Publisher
KIT-Bibliothek, Karlsruhe
Doi

    Abstract

    CFD investigations of the flow in a 5x5 rod bundle with mixing vane spacer grid were performed with single-phase and two-phase flow conditions. A non-linear k-epsilon model was used to simulate secondary flow and non-isotropic turbulence. A detailed analysis of the results showed that mixing vane induced swirling flow strongly affects the cross-flow. A model was developed to predict the forced cross-flow between the sub-channels and implemented into the sub-channel analysis code COBRA-FLX

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    This paper was published in KITopen.

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