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Nuclear Criticality Safety
NCSD provides communication among nuclear criticality safety professionals through the development of standards, the evolution of training methods and materials, the presentation of technical data and procedures, and the creation of specialty publications. In these ways, the division furthers the exchange of technical information on nuclear criticality safety with the ultimate goal of promoting the safe handling of fissionable materials outside reactors.
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Conference on Nuclear Training and Education: A Biennial International Forum (CONTE 2025)
February 3–6, 2025
Amelia Island, FL|Omni Amelia Island Resort
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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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2024: The Year in Nuclear—July through September
Another calendar year has passed. Before heading too far into 2025, let’s look back at what happened in 2024 in the nuclear community. In today's post, compiled from Nuclear News and Nuclear Newswire are what we feel are the top nuclear news stories from July through September 2024.
Stay tuned for the top stories from the rest of the past year.
Alan L. Nichols, Jolyon P. Mitchell
Nuclear Technology | Volume 81 | Number 2 | May 1988 | Pages 205-232
Technical Paper | Nuclear Aerosol Science / Nuclear Safety | doi.org/10.13182/NT88-A34093
Articles are hosted by Taylor and Francis Online.
Reliable aerosol data are required to assist in the safety assessments of nuclear plants. Studies have been undertaken to quantify the form of any airborne radioactive debris released from a wide range of nuclear facilities involving fuel fabrication, reprocessing, and waste management. Furthermore, safety assessments require some knowledge of the aerosols that could be generated as a consequence of hypothetical severe accidents. Conditions within the industrial plant may not be conducive to standard aerosol sampling procedures, while simulant and irradiated fuel studies of reactor accidents may require experiments to be conducted over a wide range of temperatures and pressures. The aerosols predicted to form in thermal light water reactor accidents could be generated at high temperatures and pressures in the presence of steam, while the sodium metal coolant of fast breeder reactors could burn to form dense clouds of aerosol affecting the transport of any fuel debris released from the damaged core. Such factors limit the number of aerosol sampling and analysis techniques that can be successfully used in such studies, and care has to be taken in choosing the most appropriate analytical techniques. The methods used to measure the physical properties of nuclear aerosols are highlighted. The merits and disadvantages of each method are discussed, and guidelines are provided for future developments.