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Division Spotlight
Nuclear Criticality Safety
NCSD provides communication among nuclear criticality safety professionals through the development of standards, the evolution of training methods and materials, the presentation of technical data and procedures, and the creation of specialty publications. In these ways, the division furthers the exchange of technical information on nuclear criticality safety with the ultimate goal of promoting the safe handling of fissionable materials outside reactors.
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!
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Latest News
NRC engineers share their expertise at the University of Puerto Rico
Robert Roche-Rivera and Marcos Rolón-Acevedo are licensed professional engineers who work at the U.S. Nuclear Regulatory Commission. They are also alumni of the University of Puerto Rico–Mayagüez (UPRM) and have been sharing their knowledge and experience with students at their alma mater since last year, serving as adjunct professors in the university’s Department of Mechanical Engineering. During the 2023–2024 school year, they each taught two courses: Fundamentals of Nuclear Science and Engineering, and Nuclear Power Plant Engineering.
Ya-Ting Yang, Xiang Li, Cao-Fei Fu, Tong Song, Zhen-Qi Chang, Da-Qiao Meng, Christophe A. Serra
Nuclear Science and Engineering | Volume 181 | Number 2 | October 2015 | Pages 216-224
Technical Paper | doi.org/10.13182/NSE14-117
Articles are hosted by Taylor and Francis Online.
The transmutation concept of minor actinide (MA)–bearing nuclear fuel plays an important role in managing highly radioactive waste. A facile route combining the sol-gel process and microfluidic technology was presented to fabricate Ce/Eu oxide microspheres as a surrogate for plutonium-based MA-bearing nuclear fuel. Uniform Ce/Eu oxide microspheres with a varied Eu content (7.90%, 13.00%, and 17.56%) were successfully fabricated using the co-sol-gel method. The prepared microspheres had a narrow size distribution (coefficient of variance < 2%) and excellent sphericity (dmax/dmin < 1.09). The Ce and Eu elements were shown to have a relatively homogeneous distribution in the microspheres through energy dispersive X-ray spectroscopy mapping images. Thermal behavior analysis, microstructure observation, and crystalline structure analysis were conducted systematically. The X-ray diffraction patterns showed one cubic lattice structure for all of the samples.