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A study of corrosion products deposition behavior in a lead-bismuth-cooled wire-wrapped rod bundle based on flow-thermophysical field parameters

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  • Liu, Li
  • Jia, Zheng
  • Yuan, Junjie
  • Bao, Ruiqi
  • Luo, Haotian
  • Gu, Hanyang
  • Zhao, Pengchen

Abstract

The corrosion of structural materials to a lead-bismuth eutectic (LBE) liquid in lead-bismuth-cooled fast reactors (LFRs) constitutes one of the crucial issues hampering the development of LFRs. The corrosion products (CPs) produced by corrosion will deposit on the surface of structures with the flow of LBE. Therefore, investigating the deposition characteristics of CPs on key structural surfaces is of significant importance for ensuring the thermal performance and safety of LBE fast reactors. The methodology developed in this study provides a universal framework for predicting particle deposition behavior in complex flow channels with special fluids. By integrating grid-by-grid traversal, vector angle matching, and grid mapping techniques, bidirectional information transfer between the fluid-thermal physical field and the deposition model is achieved. This study systematically investigates the non-uniform and cyclically fluctuating deposition characteristics of CPs in a LBE-cooled wire-wrapped rod bundle and analyzes the deposition mechanisms of CPs with varying sizes.

Suggested Citation

  • Liu, Li & Jia, Zheng & Yuan, Junjie & Bao, Ruiqi & Luo, Haotian & Gu, Hanyang & Zhao, Pengchen, 2025. "A study of corrosion products deposition behavior in a lead-bismuth-cooled wire-wrapped rod bundle based on flow-thermophysical field parameters," Energy, Elsevier, vol. 332(C).
    • Handle: RePEc:eee:energy:v:332:y:2025:i:c:s0360544225026386
    DOI: 10.1016/j.energy.2025.136996
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