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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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
The RAIN scale: A good intention that falls short
Radiation protection specialists agree that clear communication of radiation risks remains a vexing challenge that cannot be solved solely by finding new ways to convey technical information.
Earlier this year, an article in Nuclear News described a new radiation risk communication tool, known as the Radiation Index, or, RAIN (“Let it RAIN: A new approach to radiation communication,” NN, Jan. 2025, p. 36). The authors of the article created the RAIN scale to improve radiation risk communication to the general public who are not well-versed in important aspects of radiation exposures, including radiation dose quantities, units, and values; associated health consequences; and the benefits derived from radiation exposures.
R. B. Pratt, J. D. Sease, W. H. Pechin, A. L. Lotts
Nuclear Technology | Volume 6 | Number 3 | March 1969 | Pages 241-255
Technical Paper and Note | doi.org/10.13182/NT69-A28313
Articles are hosted by Taylor and Francis Online.
This report describes work concerning production of coated-particle fuels for use in high-temperature, gas-cooled reactors (HTGR's) and a coating system that has served as the basis for the design of a remotely operated recycle fuel fabrication system. We have demonstrated an ability to deposit low-and high-density pyrolytic carbon coatings having a variety of properties on a scale adequate to satisfy the proposed Thorium Uranium Recycle Facility production rate, 10 kg of heavy metal fuel per day. To do this, we have designated an engineering scale, 5-in.-i.d. fluidized bed coating furnace and its auxiliaries. Additionally, we have identified process controlling parameters and demonstrated their effect on inner- and outer-coating properties produced from acetylene, propane, and propylene. Specific coating properties controlled were density, thickness, anisotropy factor, coating rate, and deposition efficiency. Parameters identified include: bed temperature, gas purity, gas flux, inert-gas dilution, charge size, kernel composition, kernel size, and components configuration.