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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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Latest News
No impact from Savannah River radioactive wasps
The news is abuzz with recent news stories about four radioactive wasp nests found at the Department of Energy’s Savannah River Site in South Carolina. The site has been undergoing cleanup operations since the 1990s related to the production of plutonium and tritium for defense purposes during the Cold War. Cleanup activities are expected to continue into the 2060s.
Ralph G. Bennett
Nuclear Technology | Volume 96 | Number 1 | October 1991 | Pages 117-122
Technical Note | Nuclear Fuel Cycle | doi.org/10.13182/NT91-A35537
Articles are hosted by Taylor and Francis Online.
Finite element modeling of the stresses in TRISO-coated fuel particles under normal operating conditions is undertaken with the ABAQUS code. Accurate results for the coating layer stresses are obtained with 30 finite elements in the model and ∼100 time steps through the life of the fuel. When compared to an earlier General Atomics/Forschungszentrum Jülich (GA/KFA) computer model of fuel performance, several discrepancies are uncovered in the earlier model. The GA/KFA model underpredicts the stresses in the silicon carbide layer, and the discrepancy increases with fission gas pressure.
