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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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Fusion Science and Technology
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.
S. Koike, T. Watanabe, T. Mitsui, T. Takahashi, T. Asai
Fusion Science and Technology | Volume 63 | Number 1 | May 2013 | Pages 377-379
doi.org/10.13182/FST13-A16960
Articles are hosted by Taylor and Francis Online.
Heating effects of translated field-reversed configuration plasma into a chamber where neutral particles are filled is investigated by numerical calculation. Here, neutral particle species of deuterium, helium, and argon atoms are considered and translation speed is over 100 km/s. The calculation results show helium atoms penetrate most deeply into the plasma. Although argon ions that have the largest mass can transfer most their translation energy relative to the FRC plasma, energy recovery rate is found to be low due to the orbit loss.
