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Utility Working Conference and Vendor Technology Expo (UWC 2024)
August 4–7, 2024
Marco Island, FL|JW Marriott Marco Island
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BWXT will scout potential TRISO fuel production sites in Wyoming
BWX Technologies Inc. announced today that its Advanced Technologies subsidiary has signed a cooperation agreement with the state of Wyoming to evaluate locations and requirements for siting a potential new TRISO nuclear fuel fabrication facility in the state.
C. D. Baumann, P. E. Reagan
Nuclear Technology | Volume 7 | Number 6 | December 1969 | Pages 537-549
Fuel | doi.org/10.13182/NT69-A28373
Articles are hosted by Taylor and Francis Online.
Mathematical models describing idealized mechanisms of fission-gas release were used as criteria to determine the mode of release from fully enriched UCrfueled pyrocarbon-coated particles that had slightly 235U-contaminated outer coatings. Below 1600°C the release of krypton, and probably iodine and xenon, was due to fissions which occurred in the contaminated outer coating, with the products escaping by solid-state diffusion from the coating. Above 1600°C the krypton release increased more rapidly with temperature. The krypton originated in the fuel core and traversed the outer coating either by solid-state diffusion or Knudsen flow through micropores in the outer coating. The overall increase in release rate with time was probably due to migration of the 235U initially in the outer coating, and to the over five-fold increase in 235U contamination of the outer coating during irradiation.