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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).”
T. J. Dolan, K. Yamazaki, A. Sagara
Fusion Science and Technology | Volume 47 | Number 1 | January 2005 | Pages 60-72
Technical Paper | doi.org/10.13182/FST05-A599
Articles are hosted by Taylor and Francis Online.
The Physics-Engineering-Cost (PEC) code has been updated to include blanket-shield design data, a new cost structure, new unit costs, and improved algorithms. It is used here to estimate component masses and costs for heliotron reactors, which have continuous helical coils like the Large Helical Device.Relative to a "base case," we study how the cost of electricity (COE) varies with various parameters: central electron temperature, coil width/depth ratio, plasma-coil distance, plasma profile shapes, beta, maximum magnetic field, neutron wall load, net power output, plasma impurity content, plasma aspect ratio, and blanket lifetime.The COE decreases strongly with increasing beta but tends to level out at beta values >6%. At a fixed output power, higher beta values make the reactor smaller, which decreases the energy confinement time, making ignition more difficult. The resulting COE estimates are compared with that of the Stellarator Power Plant Study.