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Fusion Energy
This division promotes the development and timely introduction of fusion energy as a sustainable energy source with favorable economic, environmental, and safety attributes. The division cooperates with other organizations on common issues of multidisciplinary fusion science and technology, conducts professional meetings, and disseminates technical information in support of these goals. Members focus on the assessment and resolution of critical developmental issues for practical fusion energy applications.
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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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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.”
Asad Majid
Fusion Science and Technology | Volume 36 | Number 3 | November 1999 | Pages 247-262
Technical Paper | doi.org/10.13182/FST99-A106
Articles are hosted by Taylor and Francis Online.
Liquid-metal flow in the presence of a transverse magnetic field and gravity field was analyzed in a square-cross-section straight duct and a curved bend. The duct had conducting vanadium walls, and lithium coolant was used. Magnetohydrodynamic (MHD) equations with gravity field in three dimensions were developed in the modified toroidal coordinate system. The coupled set of equations was solved using finite difference techniques and an extended SIMPLER algorithm approach. Calculation of MHD pressure drop was made in the presence of a transverse magnetic field and a gravity field for a straight duct and a magnetic field varying as Bo(R + x)-1 in the transverse direction and a gravity field for a curved bend. The results for a straight duct indicate that the MHD pressure drop increases with the increase of magnetic field strength. The MHD pressure drop when fluid flows against the gravity field is greater by an amount that equals the product of the density of the fluid and acceleration due to gravity. The results for a curved bend indicate an axial MHD pressure drop. The axial MHD pressure drop in a curved bend increases with an increase in the magnetic field strength. It is also found that the MHD pressure drop in the presence of a gravity field is slightly higher than the MHD pressure drop without a gravity field.