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RISMitigation of End-Flux-Peaking in Fresh CANDU Fuel Bundles Using Neutron Absorbers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: End-flux-peaking (EFP) is a phenomenon where a region of elevated neutron flux occurs between two adjoining fuel bundles, leading to an increase in fission rate and therefore greater heat generation. It is known that the ...
Mitigating the Stress Corrosion Cracking of Zircaloy 4 Fuel Sheathing: Siloxane Coatings Revisited
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For more than 50آ years, a thin (3–20آ خ¼m) graphite coating has played an important role in limiting the stress corrosion cracking (SCC) of Zircaloy4 fuel sheathing in CANDUآ® nuclear reactors. Siloxane coatings, which ...
Best-Estimate Plus Uncertainty Analysis of CANDU Fuel Reliability Using Manufacturing and Simulated Core Data
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A novel method of assessing the reliability of 37-element Canada deuterium uranium (reactor) (CANDU) fuel bundle was explored. The method implements a “best-estimate plus uncertainty” (BEPU) approach where a probabilistic ...
The Effect of Alkali Metal and Alkaline Earth Metal Impurities on the Iodine-Induced Corrosion of CANDU Fuel Sheathing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During normal operation in Canada deuterium uranium (CANDU®) reactors, the stress corrosion cracking (SCC) of fuel sheathing is mitigated effectively, in part, using a thin graphite-based coating known as CANDU lubricant ...