ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
Mathematics & Computation
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.
Meeting Spotlight
Utility Working Conference and Vendor Technology Expo (UWC 2024)
August 4–7, 2024
Marco Island, FL|JW Marriott Marco Island
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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August 2024
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Latest News
BWXT will scout potential TRISO fuel production sites in Wyoming
BWX Technologies Inc. announced today that its Advanced Technologies subsidiary has signed a cooperation agreement with the state of Wyoming to evaluate locations and requirements for siting a potential new TRISO nuclear fuel fabrication facility in the state.
B. J. Wrona, J. T. A. Roberts, T. M. Galvin, G. T. Higgins
Nuclear Technology | Volume 32 | Number 3 | March 1977 | Pages 276-289
Technical Paper | Fuel | doi.org/10.13182/NT77-A31751
Articles are hosted by Taylor and Francis Online.
A direct-electrical-heating apparatus was utilized to perform fundamental experiments on short, unirradiated, unclad UO2 pellet stacks to investigate the effect of varying the energy-deposition rate and energy level on the mechanical response of the fuel to transient heating. Results show that as the rate of energy input to the UO2 pellet stacks increases, (a) the energy failure threshold decreases and (b) the areal melt fraction at failure decreases. Two significantly different regimes of fuel-motion behavior were observed above and below a threshold designated as the threshold of gross fuel motion. Above the threshold, this motion occurs by molten fuel release. Below the threshold, fuel deforms plastically by a creep mechanism.
