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Conference Spotlight
2026 Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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
Dec 2025
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
January 2026
Nuclear Technology
December 2025
Fusion Science and Technology
November 2025
Latest News
What’s the most difficult question you’ve been asked as a maintenance instructor?
Blye Widmar
"Where are the prints?!"
This was the final question in an onslaught of verbal feedback, comments, and critiques I received from my students back in 2019. I had two years of instructor experience and was teaching a class that had been meticulously rehearsed in preparation for an accreditation visit. I knew the training material well and transferred that knowledge effectively enough for all the students to pass the class. As we wrapped up, I asked the students how they felt about my first big system-level class, and they did not hold back.
“Why was the exam from memory when we don’t work from memory in the plant?” “Why didn’t we refer to the vendor documents?” “Why didn’t we practice more on the mock-up?” And so on.
Technical Session
Wednesday, May 18, 2022|10:15AM–12:00PM EDT|Fountainview
Session Chair:
Nicolas Stauff (ANL)
Alternate Chair:
Massimiliano Fratoni
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Overview of Recent SCALE Activities for Non-LWR Inventory and Decay Heat Analysis
William A. Wieselquist (ORNL), Friederike Bostelmann (ORNL), Robert Kile (ORNL), Austin Lo (ORNL), Ugur Mertyurek (ORNL), Alex Shaw (ORNL), Steve Skutnik (ORNL), Erik Walker (ORNL)
Paper
Cell Dancoff-Based Embedded Self-Shielding Capability for Doubly Heterogeneous Particulate Fuels in SCALE/Polaris
Byoung-kyu Jeon (Univ. Michigan), Won Sik Yang (Univ. Michigan), Hansol Park (Univ. Michigan), Kang Seog Kim (ORNL), Matthew A. Jessee (ORNL), William A. Wieselquist (ORNL)
Neutronic Analysis of a PWR-Type SMR Core Using Duplex ThO2-UO2 in TRISO Fuel Particles
Jesús Rosales (Univ. Nacional Autónoma de México), Juan-Luis François (Univ. Nacional Autónoma de México), Carlos García (InSTEC)
Comparative Analysis of Energy Deposition Modes Available in Serpent 2 Within the Framework of the Supercritical Water Reactor -- Fuel Qualification Test Reactor Physics Benchmark
B. Babcsány (Budapest Univ. Technology and Economics), V. Giusti (Univ. Pisa), A. Moise (Institute for Nuclear Research), J. C. Chow (Canadian Nuclear Laboratories)
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