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Division Spotlight
Accelerator Applications
The division was organized to promote the advancement of knowledge of the use of particle accelerator technologies for nuclear and other applications. It focuses on production of neutrons and other particles, utilization of these particles for scientific or industrial purposes, such as the production or destruction of radionuclides significant to energy, medicine, defense or other endeavors, as well as imaging and diagnostics.
Meeting Spotlight
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.
Budhi Sagar
Nuclear Science and Engineering | Volume 123 | Number 3 | July 1996 | Pages 443-454
Technical Paper | doi.org/10.13182/NSE96-A24207
Articles are hosted by Taylor and Francis Online.
Assessing long-term performance of geologic repositories requires simulation of flow through heterogeneous geologic formations. The effect on flow field of discontinuities such as fracture zones in such media is not only of interest to waste management professionals but also to those involved in petroleum engineering and water resources development. Significant differences in the space and time scales associated with these discontinuities as compared with those associated with bulk geology cause special problems in modeling. The modeling problems are in addition to the very practical problem inherent in proper topological characterization of the discontinuities and also in field measurement of their flow and transport properties. After briefly reviewing various generally used classes of methods for accommodating heterogeneities represented by fractures in numerical models, a different technique of deriving mass balance equations in the presence of fractures is discussed. Compared with full representation of fractures, the proposed technique provides coarser resolution of the flow field, but it is relatively computationally efficient. Two examples of its application are also provided.