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Division Spotlight
Accelerator Applications
The division was organized to promote the advancement of knowledge of the use of particle accelerator technologies for nuclear and other applications. It focuses on production of neutrons and other particles, utilization of these particles for scientific or industrial purposes, such as the production or destruction of radionuclides significant to energy, medicine, defense or other endeavors, as well as imaging and diagnostics.
Meeting Spotlight
Utility Working Conference and Vendor Technology Expo (UWC 2024)
August 4–7, 2024
Marco Island, FL|JW Marriott Marco Island
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Latest News
Vogtle-3 shuts down for valve issue
One of the new Vogtle units in Georgia was shut down unexpectedly on Monday last week for a valve issue that has since been investigated and repaired. According to multiple local news outlets, Georgia Power reported on July 17 that Unit 3 was back in service.
Southern Company spokesperson Jacob Hawkins confirmed that Vogtle-3 went off line at 9:25 p.m. local time on July 8 “due to lowering water levels in the steam generators caused by a valve issue on one of the three main feedwater pumps.”
D. Driemeyer, D. Bowers, J. Davis, D. Kubik, H. Mantz, M. McSmith, T. Rigney, C. Baxi, L. Sevier, M. Carelli, L. Green, D. Ruzic, D. Hayden, M. Gabler, J. Yuen
Fusion Science and Technology | Volume 26 | Number 3 | November 1994 | Pages 603-610
Divertor Experiment and Technology | Proceedings of the Eleventh Topical Meeting on the Technology of Fusion Energy New Orleans, Louisiana June 19-23, 1994 | doi.org/10.13182/FST94-A40223
Articles are hosted by Taylor and Francis Online.
One of the key challenges in designing the next generation tokamaks is the development of plasma facing components (PFC's) that can withstand the severe environmental conditions at the plasma edge. The most intensely loaded element of the PFC's is the divertor. The divertor must handle high fluxes of energetic plasma particles and electromagnetic radiation without excessive impurity build-up in the plasma core. It must also remove helium ash while recirculating a large fraction of the unburned hydrogen fuel so that vacuum pumping requirements are not excessive. The gas-dynamic mode of divertor operation proposed for ITER expands the divertor design window to include several alternate heat sink and armor materials that were not feasible for the previous high recycling divertor approach. In particular, beryllium armor can now be considered with copper, niobium or vanadium structural materials cooled by liquid metal or possibly helium in addition to water. This paper presents some of the results achieved under ongoing ITER Plasma Facing Components research and development tasks. The overall effort involves U.S. industry, universities and national laboratories and is directed towards developing and/or testing: (1) ductile beryllium and beryllium joining techniques; (2) prototype divertor component design, fabrication and testing; (3) fiber-reinforced composites for beryllium and carbon; (4) beryllium plasma spray processes; (5) compliant layers for PFC armor attachment; (6) sacrificial armor layers for the divertor end-plates; and (7) tritium permeation and inventory in proposed PFC materials and components. The paper focuses on work being conducted by the industrial support team consisting of McDonnell Douglas Aerospace, Ebasco, General Atomics, Rocketdyne, University of Illinois and Westinghouse.