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Reactor Physics
The division's objectives are to promote the advancement of knowledge and understanding of the fundamental physical phenomena characterizing nuclear reactors and other nuclear systems. The division encourages research and disseminates information through meetings and publications. Areas of technical interest include nuclear data, particle interactions and transport, reactor and nuclear systems analysis, methods, design, validation and operating experience and standards. The Wigner Award heads the awards program.
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2024 ANS Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Proving DRACO will deliver
The United States is now closer than it has been in over five decades to launching the first nuclear thermal rocket into space, thanks to DRACO—the Demonstration Rocket for Agile Cislunar Orbit.
Do Heon Kim, Hangbok Choi, Won Sik Yang, Jong Kyung Kim
Nuclear Science and Engineering | Volume 137 | Number 1 | January 2001 | Pages 23-37
Technical Paper | doi.org/10.13182/NSE01-A2173
Articles are hosted by Taylor and Francis Online.
The effect of DUPIC fuel composition heterogeneity on CANDU core performance was assessed for three candidate DUPIC fuel options: the fissile content adjustment method, reactivity control by slightly enriched and depleted uranium, and reactivity control by natural uranium. The fissile content adjustment method produces DUPIC fuel of fixed 235U and 239Pu contents, while the reactivity control method produces DUPIC fuel of uniform reactivity at the fresh condition. To assess the uncertainty of the core performance parameter associated with the isotopic variation, the sensitivity coefficients were generated by the generalized perturbation theory for the lattice parameter and zone controller level perturbations. The uncertainty was then estimated for three key core performance parameters: maximum channel power (MCP), maximum bundle power (MBP), and channel power peaking factor (CPPF). The fissile content adjustment method was shown to have a smaller uncertainty in the core performance parameter than with the reactivity control options. For the fissile content adjustment method, the average uncertainties of MCP, MBP, and CPPF were estimated to be 1.3, 2.5, and 1.2%, respectively, with 95% confidence level, when simulated for specified burnup points of the equilibrium core.