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JOM

, 63:64 | Cite as

Pressurized water reactor fuel crud and corrosion modeling

  • Jeff Deshon
  • Dennis HusseyEmail author
  • Brian Kendrick
  • John McGurk
  • Jeff Secker
  • Michael Short
Advanced Fuel Performance: Modeling and Simulation Research Summary

Abstract

Pressurized water reactors circulate high-temperature water that slowly corrodes Inconel and stainless steel system surfaces, and the nickel/iron based corrosion products deposit in regions of the fuel where sub-cooled nucleate boiling occurs. The deposited corrosion products, called ‘crud’, can have an adverse impact on fuel performance. Boron can concentrate within the crud in the boiling regions of the fuel leading to a phenomenon known as axial offset anomaly (AOA). In rare cases, fuel clad integrity can be compromised because of crud-induced localized corrosion (CILC) of the zirconium-based alloy. Westinghouse and the Electric Power Research Institute have committed to understanding the crud transport process and develop a risk assessment software tool called boron-induced offset anomaly (BOA) to avoid AOA and CILC. This paper reviews the history of the BOA model development and new efforts to develop a micro-scale model called MAMBA for use in the Consortium for Advanced Light Water Reactor Simulation (CASL) program.

Keywords

Corrosion Product Nickel Ferrite Electric Power Research Institute Fuel Cladding Lithium Tetraborate 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© TMS 2011

Authors and Affiliations

  • Jeff Deshon
    • 1
  • Dennis Hussey
    • 1
    Email author
  • Brian Kendrick
    • 2
  • John McGurk
    • 3
  • Jeff Secker
    • 4
  • Michael Short
    • 5
  1. 1.Electric Power Research InstitutePalo AltoUSA
  2. 2.Los Alamos National LaboratoryLos AlamosUSA
  3. 3.National Nuclear LaboratoryDidcot, OxfordshireUK
  4. 4.Westinghouse Electric CompanyCranberry TownshipUSA
  5. 5.Massachusetts Institute of TechnologyCambridgeUSA

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