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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.
Y. A. Chao, P. Huang
Nuclear Science and Engineering | Volume 103 | Number 4 | December 1989 | Pages 415-419
Technical Paper | doi.org/10.13182/NSE89-A23693
Articles are hosted by Taylor and Francis Online.
A superfast, multidimensional, and compact pressurized water reactor nodal code, SUPERNOVA (SPNOVA), which is much faster than conventional nodal codes and is very accurate, has been developed at Westinghouse Electric Corporation. A kinetics version of this code, SPNOVA-K, is now developed for applications to three-dimensional core kinetics analysis. The theory involved in the kinetics generalization of SPNOVA is discussed and the performance of SPNOVA-K is described. SPNOVA-K adopts the stiffness confinement method of time variable discretization. This method can provide a very stable solution against the size of the discrete time step, allowing much larger step sizes to be used.