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Isotopes & Radiation
Members are devoted to applying nuclear science and engineering technologies involving isotopes, radiation applications, and associated equipment in scientific research, development, and industrial processes. Their interests lie primarily in education, industrial uses, biology, medicine, and health physics. Division committees include Analytical Applications of Isotopes and Radiation, Biology and Medicine, Radiation Applications, Radiation Sources and Detection, and Thermal Power Sources.
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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.”
T. Ozaki, S. Morita, R. Kumazawa, K. Nishimura, S. Masuda, A. Ejiri, T. Minami, I. Yamada, K. Narihara, S. Okamura, K. Matsuoka, A. Sagara, H. Idei, S. Kubo, K. Tanaka, C. Takahashi
Fusion Science and Technology | Volume 27 | Number 3 | April 1995 | Pages 244-247
Helical Systems | doi.org/10.13182/FST95-A11947079
Articles are hosted by Taylor and Francis Online.
The ratio of hydrogen (minority) to deuterium in the ion cyclotron range of frequency (ICRF) heating experiment has been measured using visible spectroscopy. The large increase in the stored energy during ICRF heating is observed with boronization, compared with titanium gettering, mainly because of the reduction of impurity radiation. The minority ratio, however, is not controllable due to the increase in hydrogen amount. After the electron cyclotron resonance discharge cleaning using deuterium gas the hydrogen amount has been successfully reduced. As a result it has been more effective than He-glow discharge cleaning. When the hydrogen minority decreases, the ion heating is expected. The maximum stored energy is obtained with the minority ratio of 30 % at a line-averaged density of 3.3×1013 cm-3.