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Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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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.
Philippe M. Bardet et al.
Fusion Science and Technology | Volume 47 | Number 3 | April 2005 | Pages 626-632
Technical Paper | Fusion Energy - Inertial Fusion Technology | doi.org/10.13182/FST05-A756
Articles are hosted by Taylor and Francis Online.
This paper presents an update of the work done at University of California, Berkeley (UCB) on thick-liquid protection of inertial fusion energy (IFE) chambers. UCB is focusing on microsecond, millisecond, and quasi-steady phenomena. Over microsecond time scales, numerical simulations, performed with the code TSUNAMI permit modeling of IFE chambers gas dynamics. For the millisecond range, the liquid jets response to the fusion reaction impulse loading is being studied for both Z-Pinch and HYLIFE-II-type chambers. A new mineral oil has been identified that allows scaled molten salt experiments with low distortion. Vortex tube flow, a key liquid structure of the 2002 Robust Point Design has been investigated in scaled experiments using the mineral oil, while a new design for thick liquid wall protection is under development. In quasi-steady phenomena, recent work has measured the Flibe vapor pressure and composition at near melting point temperature using mass spectrometry.