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Fusion Science and Technology
UWC 2020: A call for transformational change
Bowing to current COVID-19 realities but buoyed by the success of June’s virtual Annual Meeting, ANS event planners returned to the virtual realm for this year’s Utility Working Conference. Originally scheduled for August 9–12 at Marco Island, Fla., the condensed event was held Wednesday, August 11, wherever registrants’ computer devices happened to be located.
In addition to 26 educational sessions and workshops, UWC 2020 featured an opening plenary session titled “Achieving Transformational Change: A leadership discussion,” moderated by Bob Coward, MPR Associates principal officer and ANS past president (2017–2018). Plenary panelists included representatives from three utilities—Arizona Public Service (APS), Exelon, and Xcel Energy—plus the Institute of Nuclear Power Operations (INPO) and the Nuclear Regulatory Commission.
S. W. Haan, D. S. Clark, S. H. Baxamusa, J. Biener, L. Berzak Hopkins, T. Bunn, D. A. Callahan, L. Carlson, T. R. Dittrich, M. J. Edwards, B. A. Hammel, A. Hamza, D. E. Hinkel, D. D. Ho, D. Hoover, W. Hsing, H. Huang, O. A. Hurricane, M. A. Johnson, O. S. Jones, A. L. Kritcher, O. L. Landen, J. D. Lindl, M. M. Marinak, A. J. MacKinnon, N. B. Meezan, J. Milovich, A. Nikroo, J. L. Peterson, P. Patel, H. F. Robey, J. D. Salmonson, V. A. Smalyuk, B. K. Spears, M. Stadermann, S. V. Weber, J. L. Kline, D. C. Wilson, A. N. Simakov, A. Yi
Fusion Science and Technology | Volume 70 | Number 2 | August-September 2016 | Pages 121-126
Technical Paper | dx.doi.org/10.13182/FST15-244
Articles are hosted by Taylor and Francis Online.
Experiments and analysis in the 3 years since the 2012 Target Fabrication Meeting have resulted in significant improvement in understanding of the requirements for high-performance layered implosions. Three issues have been identified that significantly degrade the performance of the implosions as they were originally configured for National Ignition Facility experiments: capsule support system, time-dependent radiation asymmetry, and transverse oxygen nonuniformity in the glow discharge polymer (GDP) ablator. Analyses suggest that the shortfalls in these three areas can explain the degraded performance of the National Ignition Campaign implosions. We present the status of work toward curing these three problems in the standard GDP ablator/gold hohlraum configuration as they affect target fabrication priorities. We also summarize the prospects for alternate ablators that might reduce these degradation mechanisms.