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2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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NRC OKs I&C upgrade for Limerick
The Nuclear Regulatory Commission has amended the operating licenses of the two boiling water reactors at Constellation Energy's Limerick nuclear power plant, giving the company the green light to replace the units' analog safety-related instrumentation and controls systems with a state-of-the-art digital system.
N. A. Hein, H. L. Wilkens, A. Nikroo, H.-C. B. Chen, H. H. Streckert, K. Quan, J. R. Wall, T. A. Fuller, M. R. Jackson, E. M. Giraldez, S. J. Price, R. J. Sohn, M. Stadermann
Fusion Science and Technology | Volume 63 | Number 2 | March-April 2013 | Pages 218-225
Technical Paper | Selected papers from 20th Target Fabrication Meeting, May 20-24, 2012, Santa Fe, NM, Guest Editor: Robert C. Cook | doi.org/10.13182/FST13-TFM20-20
Articles are hosted by Taylor and Francis Online.
By making the hohlraum wall more opaque to the driver energy, the efficiency of X-ray conversion is improved with the addition of depleted uranium (DU) to a gold-only hohlraum [see T. J. Orzechowski et al., Phys. Rev. Lett., Vol. 77, p. 3545 (1996)]. The National Ignition Facility (NIF) point design for ignition requires a DU hohlraum, which is manufactured by General Atomics. The process of creating a hohlraum with multiple layers presents manufacturing challenges. To produce these components many steps are required. The processes for manufacturing an Au-lined DU hohlraum requires single-point diamond turning, sputter deposition, electroplating, chemical etch, and cleaning. These steps combined make a process that yields a fully intact Au-DU layered NIF ignition hohlraum.