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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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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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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.
Paul Nelson, Charles H. Neil
Nuclear Science and Engineering | Volume 76 | Number 3 | December 1980 | Pages 366-370
Technical Note | doi.org/10.13182/NSE80-A21329
Articles are hosted by Taylor and Francis Online.
It is shown that many of the numerical difficulties and phenomena encountered in subchannel analysis have counterparts within a simple two-subchannel model, which permits analytic study of these matters. Results are presented that suggest that the reported inability of initial-value techniques for subchannel models to cope with flow-blockage problems may be peculiar to the particular initial-value techniques frequently used.
