ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
Human Factors, Instrumentation & Controls
Improving task performance, system reliability, system and personnel safety, efficiency, and effectiveness are the division's main objectives. Its major areas of interest include task design, procedures, training, instrument and control layout and placement, stress control, anthropometrics, psychological input, and motivation.
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!
Latest Magazine Issues
Jul 2024
Jan 2024
Latest Journal Issues
Nuclear Science and Engineering
August 2024
Nuclear Technology
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 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. 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.”
L. Crosatti, D. L. Sadowski, J. B. Weathers, S. I. Abdel-Khalik, M. Yoda, ARIES Team
Fusion Science and Technology | Volume 52 | Number 3 | October 2007 | Pages 531-538
Technical Paper | The Technology of Fusion Energy - High Heat Flux Components | doi.org/10.13182/FST07-A1543
Articles are hosted by Taylor and Francis Online.
As a part of the ARIES-CS compact stellarator power plant study, a modular, helium-cooled, T-tube divertor design that can accommodate a peak heat load of 10 MW/m2 has been proposed. Detailed analyses have been performed using the FLUENT[registered] CFD software package to evaluate the thermal performance at the nominal design and operating conditions. Extremely high heat transfer coefficients (>40 kW/(m2-K)) have been predicted. An experimental investigation has been undertaken to validate the results of the numerical simulations. A test module which closely simulates the geometry of the proposed He-cooled T-tube divertor has been tested using air as the coolant while maintaining the same non-dimensional parameter ranges as the He-cooled T-tube divertor design. Axial and azimuthal variations of the local heat transfer coefficient have been measured over a wide range of operating conditions. The experimental data closely match the model predictions. The results of this investigation show that the model can be used with confidence in future design analyses of the T-tube divertor, as well as similar types of gas-cooled high heat flux components.