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Division members promote the advancement of mathematical and computational methods for solving problems arising in all disciplines encompassed by the Society. They place particular emphasis on numerical techniques for efficient computer applications to aid in the dissemination, integration, and proper use of computer codes, including preparation of computational benchmark and development of standards for computing practices, and to encourage the development on new computer codes and broaden their use.
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2024 ANS Winter Conference and Expo
November 17–21, 2024
Orlando, FL|Renaissance Orlando at SeaWorld
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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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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.
W. K. Hagan, B. L. Colborn, T. W. Armstrong, M. Allen
Nuclear Science and Engineering | Volume 98 | Number 3 | March 1988 | Pages 272-278
Technical Note | doi.org/10.13182/NSE88-A22328
Articles are hosted by Taylor and Francis Online.
Neutron shielding calculations for a 70- to 250-MeV proton cancer therapy facility have been carried out using the High Energy Transport Code and the one-dimensional discrete ordinates code ANISN. Calculations were performed for iron and water targets with incident proton energies of 150, 200, and 250 MeV. The angular dependence of the neutron spectrum was taken into account by averaging and reporting the spectrum in angular bins of 0 to 15, 15 to 30, 30 to 45, 45 to 60, 60 to 90, and 90 to 180 deg relative to the forward direction of the protons. Each of these various spectra was used as the source spectrum for an individual ANISN run in which the source was placed at the center of a sphere of typical concrete (i.e., density of 2.3 g/cm3) and the dose equivalent per proton was calculated as a function of radius. These calculations differ from previous work primarily in the method used to calculate the neutron spectrum due to the interaction of the protons with the target and the transport cross sections used in the ANISN calculations.