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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 Winter Conference and Expo
November 17–21, 2024
Orlando, FL|Renaissance Orlando at SeaWorld
Standards Program
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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New laws offer nuclear industry incentives for existing power plant uprates
This year, the U.S. nuclear industry received a much-needed economic boost that could help preserve operating nuclear power plants and incentivize upgrades that extend their lifespan and power output.
Signed into law in 2022, the Inflation Reduction Act offers production tax credits (PTCs) for existing nuclear power plants and either PTCs or investment tax credits (ITCs) for new carbon-free generation. These credits could make power uprates—increasing the maximum power level at which a commercial plant may operate—a much more appealing option for utilities.
Stanley Woolf, John C. Garth, William L. Filippone
Nuclear Science and Engineering | Volume 62 | Number 2 | February 1977 | Pages 278-295
Technical Paper | doi.org/10.13182/NSE77-A26963
Articles are hosted by Taylor and Francis Online.
A variation of the method of invariant imbedding can be applied to a class of particle transport problems for which the average energy of a particle can be closely correlated to the number of collisions it has undergone in the course of transport through a scattering medium. A method for calculating emergent n'th scattered particle currents from scattering media developed that combines an orders-of-scattering formulation with the invariant imbedding method. The final expressions obtained for these currents assume the form of coupled integral recursion relations expressing the interdependence of the currents of the various scattering orders Extensive numerical results are presented, along with comparisons obtained by other techniques arising from the implementation of these recursion relations. Various cases of neutron and electron scattering, both isotropic and anisotropic, are considered.