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November 15–19, 2020
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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.
James R. Powell, J. A. Fillo
Fusion Science and Technology | Volume 4 | Number 3 | November 1983 | Pages 561-565
Special Section Contents | Radioactivation of Fusion Structures | dx.doi.org/10.13182/FST83-A22807
Articles are hosted by Taylor and Francis Online.
High-purity, low-activity powder metallurgy aluminum alloys can be developed for use in a fusion reactor at 300 to 400°C using helium as a heat transfer medium. Hot water as a coolant may limit aluminum to 200°C. From a heat transfer point of view, based on the dual- or two-temperature design approach, commercial fusion reactor blanket designs appear to be feasible. To meet all of the blanket design requirements feasibility requires quantification of thermal hydraulics, materials, neutronics, and material responses. Also, radiation damage and lifetime analyses are key issues for design qualification. Based on tests performed to date, aluminum appears well suited for experimental fusion reactors operating at wall temperatures below 200°C.