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Radiation Protection & Shielding
The Radiation Protection and Shielding Division is developing and promoting radiation protection and shielding aspects of nuclear science and technology — including interaction of nuclear radiation with materials and biological systems, instruments and techniques for the measurement of nuclear radiation fields, and radiation shield design and evaluation.
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Utility Working Conference and Vendor Technology Expo (UWC 2024)
August 4–7, 2024
Marco Island, FL|JW Marriott Marco Island
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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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Fusion Science and Technology
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.”
Pei-Jun Cai, Yong-Jian Tang, Lin Zhang, Wei-Dong Wu
Fusion Science and Technology | Volume 49 | Number 1 | January 2006 | Pages 74-78
Technical Paper | doi.org/10.13182/FST06-A1087
Articles are hosted by Taylor and Francis Online.
New-type metallic oxide (M2O3 M = Cr, Al) doped plastic shells used for inertial confinement fusion experiments are fabricated with emulsion techniques. Three different phases of solution (W1, O, and W2) are adopted for the fabrication process. The W1 phase is 1 wt% of sodium lauryl sulfate in water. The W1 phase solution is mixed with a 3 wt% M2O3-PS solution in benzene-dichloroethane (O phase) while stirring. The mixed emulsion (W1/O) is then poured into a 3 wt% aqueous polyvinyl alcohol solution (W2 phase) while stirring. The resulting emulsion (W1/O/W2) is heated to evaporate benzene and dichloroethane, and thus, a solid M2O3-PS shell is formed. The diameter and wall thickness of the shells are 300 and 5 m, respectively. The average surface roughness of the final products is <30 nm. Other parameters, uniformity and sphericity, are 98.9 and 99.6%, similar to or better than that of the usual PS shells.