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Fusion Science and Technology
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NRC looks to leverage previous approvals for large LWRs
During this time of resurging interest in nuclear power, many conversations have centered on one fundamental problem: Electricity is needed now, but nuclear projects (in recent decades) have taken many years to get permitted and built.
In the past few years, a bevy of new strategies have been pursued to fix this problem. Workforce programs that seek to laterally transition skilled people from other industries, plans to reuse the transmission infrastructure at shuttered coal sites, efforts to restart plants like Palisades or Duane Arnold, new reactor designs that build on the legacy of research done in the early days of atomic power—all of these plans share a common throughline: leveraging work already done instead of starting over from square one to get new plants designed and built.
Richard B. Stephens, Tony Mroczkowski, Jane Gibson
Fusion Science and Technology | Volume 38 | Number 1 | July 2000 | Pages 132-135
Technical Paper | Thirteenth Target Fabrication Specialists’ Meeting | doi.org/10.13182/FST38-132
Articles are hosted by Taylor and Francis Online.
Irregularities in ICF shells need to be characterized in detail. Outside and inside surface, and wall thickness fluctuations are all Raleigh-Taylor unstable and can cause a shell to fail during compression. Until recently we could only detect outside surface profile fluctuations, measured along three mutually perpendicular great circles and displayed as line graphs. Measurements, paths, and display have all been upgraded to improve our ability to see fluctuations. We have added a Wallmapper that can determine thickness along the same paths as the surface profiles. The thickness data can be subtracted from the outer surface profile to give a (low resolution) inner surface profile. We have measured the surface profiles along up to 8 paths, and have displayed these profiles wrapped around the image of a sphere. With sufficient paths, this format gives a sense of the 2-D surface fluctuations on the shell. These additions should help us to understand the nature of shell defects and optimize our production processes.