Corrosion assessment for spent nuclear fuel disposal in crystalline rock, using variant cases of hydrogeological modeling

Chi-Che Hung; Fraser King; Yun-Chen Yu; Chi-Jen Chen; Yuan-Chieh Wu; Wei-Ting Lin

doi:10.1007/s41365-020-00822-6

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Corrosion assessment for spent nuclear fuel disposal in crystalline rock, using variant cases of hydrogeological modeling

NUCLEAR ENERGY SCIENCE AND ENGINEERING | Updated：2021-01-26

- Corrosion assessment for spent nuclear fuel disposal in crystalline rock, using variant cases of hydrogeological modeling
- Nuclear Science and Techniques Vol. 31, Issue 12, Article number: 116(2020)
- Affiliations：
  
  1.Institute of Nuclear Energy Research, Atomic Energy Council, Taoyuan
  2.Integrity Corrosion Consulting Ltd, Nanaimo, BC V9T 1K2, Nanaimo
  3.Department of Civil Engineering, National Ilan University, Ilan
- Author bio：
  
  Corresponding author, wtlin@niu.edu.tw
- Funds：
- DOI：10.1007/s41365-020-00822-6
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Chi-Che Hung, Fraser King, Yun-Chen Yu, et al. Corrosion assessment for spent nuclear fuel disposal in crystalline rock, using variant cases of hydrogeological modeling. [J]. Nuclear Science and Techniques 31(12):116(2020)
DOI：

Chi-Che Hung, Fraser King, Yun-Chen Yu, et al. Corrosion assessment for spent nuclear fuel disposal in crystalline rock, using variant cases of hydrogeological modeling. [J]. Nuclear Science and Techniques 31(12):116(2020) DOI： 10.1007/s41365-020-00822-6.

摘要

Abstract

This paper presents a corrosion assessment of copper spent nuclear fuel (SNF) disposal canisters in crystalline rock, using hydrogeological modeling. A simplified approach is considered, to avoid complex and time-consuming computer simulations. This simplified case is presented as a Base Case, with changes in the hydrogeological parameters presented as Variant Cases. The results show that in Taiwan's Base Case, decreasing the hydraulic conductivity of the rock or decreasing the hydraulic conductivity of dikes results in a shorter transport path for sulfide and an increase in corrosion depth. However, the estimated canister failure time is still over one million years in the Variant Cases.

关键词

Keywords

Key words: Spent nuclear fuel disposalCorrosion assessmentHydrogeological modeling

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