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Fusion Science and Technology
NRC’s Inspector General issues report
Overall findings of a survey of Nuclear Regulatory Commission personnel indicate that while the NRC maintains a few strengths compared to external benchmarks, results have declined since 2015 in a number of areas, according to a recent report from the NRC’s Office of the Inspector General (OIG).
The survey was conducted in February 2020 by Willis Towers Watson, a global risk-management, insurance brokerage, and advisory firm that has partnered with the OIG for more than 20 years to assess the NRC’s safety culture and climate, as well as other aspects of employee experience.
A. Madrid, G. Apostolakis, R. W. Conn
Fusion Science and Technology | Volume 4 | Number 2 | September 1983 | Pages 1135-1140
Environment and Safety | dx.doi.org/10.13182/FST83-A23011
Articles are hosted by Taylor and Francis Online.
A set of initiating events are identified and the associated accident sequences are developed for impurity control systems in tokamak fusion reactors. The master logic diagram concept used in risk analysis is developed for a tokamak. The notion of the fusion island is used as the central power producing element in fusion power plants. Differences in the severity of initiating events and/or accident sequences that are associated with the two leading candidate impurity control concepts, the pump limiter and the poloidal divertor, are identified. They reflect both safety-related and/or financial consequences.