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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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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
ANS joins others in seeking to discuss SNF/HLW impasse
The American Nuclear Society joined seven other organizations to send a letter to Energy Secretary Christopher Wright on July 8, asking to meet with him to discuss “the restoration of a highly functioning program to meet DOE’s legal responsibility to manage and dispose of the nation’s commercial and legacy defense spent nuclear fuel (SNF) and high-level radioactive waste (HLW).”
L. Chen, W. Zhao, G. Zhong, C. Watts, James P. Gunn, X. Liu, Y. Lian, DLP Team
Fusion Science and Technology | Volume 73 | Number 4 | May 2018 | Pages 568-578
Technical Note | doi.org/10.1080/15361055.2017.1415614
Articles are hosted by Taylor and Francis Online.
The thermal performance of the divertor Langmuir probe conceptual design developed for the ITER divertor, which consists of a shielded probe bolted to a copper heat sink, has been predicted by the finite element analysis package ANSYS to have a high risk of damage due to poor heat transfer ability. In order to mitigate this risk, three alternative designs focusing on improving heat conduction have been proposed, and the power-handling abilities, damage risk, and interface challenges of the three designs have been compared. First simulation results indicate that a design involving casting a tungsten probe sensor into a copper heat sink could provide adequate heat-handling capacity. Elasto-plastic stress analysis will be needed to evaluate the thermal stresses at W/Cu interface in our future work. Langmuir probe prototypes will be prepared and high heat flux tests will be performed on electron beam facilities at the Southwestern Institute of Physics to verify the probe functionality once analysis has identified a suitable candidate design.