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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.
L. Bromberg, D. Cohn, J.E.C. Williams, D.L. Jassby, M. Okabayashi
Fusion Science and Technology | Volume 4 | Number 2 | September 1983 | Pages 1013-1018
Next-Generation Devices | dx.doi.org/10.13182/FST83-A22991
Articles are hosted by Taylor and Francis Online.
We describe a design concept for a tokamak that has the capability of sustained ignited operation and utilizes high performance copper plate magnets to minimize size and cost. We refer to this device as LITE for long-pulse ignited test experiment. LITE is designed so that it could be located in the TFTR Test Cell, so that substantial cost savings can be realized. Two design options are considered. Illustrative parameters for the lower beta option (LITE-1) are a major radius of 2.7 m, a maximum magnetic field on axis of 8.1 T, and <β> = 0.05. Steadystate water cooling would be used for nominal DT operation and for very long pulse hydrogen operation. Inertial cooling with liquid nitrogen could be employed for a relatively small number of pulses to provide the highest magnetic fields and ignition margins. The second option (LITE- 2) makes use of a highly shaped plasma to obtain high beta (> 10%) operation. The LITE-2 concept is at a very early stage, so that emphasis in this paper is on the description of LITE-1.