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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 Annual Conference
June 16–19, 2024
Las Vegas, NV|Mandalay Bay Resort and Casino
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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Latest News
Federal court finds in favor of Diablo Canyon license review
A review from the Ninth Circuit Court of Appeals this week denied a challenge to the Diablo Canyon nuclear plant’s license renewal application extension granted by the federal government.
In late 2023, the Nuclear Regulatory Commission agreed to formally docket the California plant’s request to extend plant operations beyond the current license expiration dates of 2024 and 2025 for the two respective units.
Steven T. Polkinghorne, Gregg L. Sharp, Richard T. McCracken
Nuclear Technology | Volume 145 | Number 1 | January 2004 | Pages 44-56
Technical Paper | Thermal Hydraulics | doi.org/10.13182/NT04-A3459
Articles are hosted by Taylor and Francis Online.
The Advanced Test Reactor (ATR) is a 250-MW irradiation facility used to test reactor fuels and other materials, and also to produce radioisotopes. The ATR core is divided into five regions, or lobes, that normally operate at different power levels. To support future irradiation programs, it is desired that the maximum lobe power be increased 10% (from 60 to 66 MW). A modification to ATR's emergency core cooling system is proposed to ensure that adequate safety margins would be maintained during a loss-of-coolant accident (LOCA). The modification being considered is the addition of an accumulator injection system. The RELAP5 thermal-hydraulic code and the SINDA thermal analyzer were used to simulate the two most challenging design-basis LOCAs identified in the ATR Safety Analysis Report. Calculations were performed both with and without accumulator injection. The results indicate that a 10% increase in maximum lobe power is achievable. Minimum thermal margins increased more than 40% when accumulator injection was simulated.