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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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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Nuclear Science and Engineering
September 2025
Nuclear Technology
August 2025
Fusion Science and Technology
Latest News
Deep geologic repository progress—2025 Update
Editor's note: This article has was originally published in November 2023. It has been updated with new information as of June 2025.
Outside my office, there is a display case filled with rock samples from all over the world. It contains a disk of translucent, orange salt from the Waste Isolation Pilot Plant near Carlsbad, N.M.; a core of white-and-bronze gneiss from the site of the future deep geologic repository in Eurajoki, Finland; several angular chunks of fine-grained, gray claystone from the underground research laboratory at Bure, France; and a piece of coarse-grained granite from the underground research tunnel in Daejeon, South Korea.
Technical Session
Monday, May 16, 2022|10:15AM–12:00PM EDT|Pointview
Session Chair:
Andrew Godfrey
Alternate Chair:
Brenden T. Mervin
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Study of Effect of PWR Cold Leg Temperature Gradient on Reactor Core Condition
Emre Tatli (Westinghouse Electric Co.), Vefa Kucukboyaci (Westinghouse Electric Co.), Yixing Sung (Westinghouse Electric Co. )
Paper
Comparisons of Nodal Diffusion and Whole-Core Transport Methods for Multiple Cycles of a Small Light Water Reactor
Jordan D. Rader (ORNL), Andrew T. Godfrey (ORNL), Aaron M. Graham (ORNL), Clayton D. Lietwiler (Holtec International), Hunter Smith (Holtec International), Malinda Saia (Holtec International)
Determination of the Spent Fuel Decay Heat with the VERA Core Simulator
Marjan Kromar (Jožef Stefan Institute), Andrew T. Godfrey (ORNL)
VERA Neutronics High-Fidelity Benchmark for a Modern PWR Core Design
Andrew T. Godfrey (ORNL), Benjamin S. Collins (Veracity Nuclear)
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