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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|Sponsored by THD
Wednesday, December 1, 2021|12:30–2:15PM EST |Columbia 10
Session Chair:
Xiaodong Sun
Alternate Chair:
Caleb S. Brooks
Session Organizer:
Bao-Wen Yang
Student Assistant:
Ethan Krammer
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Vapor Film Collapse and Quench Front Propagation Analysis Using Optical Fiber Temperature Sensors
12:35–12:55PM EST
Paul Hurley (Virginia Polytechnic Institute and State Univ.), Abdulla Alblooshi (Virginia Polytechnic Institute and State Univ.), Kyung Mo Kim (Virginia Polytechnic Institute and State Univ.), Juliana P. Duarte (Virginia Polytechnic Institute and State Univ.)
Paper
Inlet and Outlet Effects on the Pressure Drop in a High Aspect Ratio Pebble Bed
12:55–1:15PM EST
Robert Muyshondt (Texas A&M Univ.), Khoi Ngo (Texas A&M Univ.), Blake Maher (Texas A&M Univ.), Abdulaziz Almathami (Texas A&M Univ.), Thien Nguyen (Texas A&M Univ.), Yassin Hassan (Texas A&M Univ.), N.K. Anand (Texas A&M Univ.)
Study of Cross-Flow Profiles in a 5x5 Rod Bundle with Channel-Type Spacer Grid: A Combination of Optical Techniques, 3D-Printing and Statistical Analysis
1:15–1:35PM EST
Camila F. Matozinhos (Texas A&M Univ.), Gabriel C. Q. Tomaz (Texas A&M Univ.), Rodolfo Vaghetto (Texas A&M Univ.), Yassin Hassan (Texas A&M Univ.)
Performance Qualification Measurements Using New PEPT Facility for Pebble Bed Reactor Research
1:35–1:55PM EST
Cody S. Wiggins (Virginia Commonwealth Univ.), Lane B. Carasik (Virginia Commonwealth Univ.)
A Comparative Study of FeCrAl and Zircaloy Claddings for Steady-State Subcooled Flow Boiling Experiments
1:55–2:15PM EST
Mingfu He (Univ. of New Mexico), Minghui Chen (Univ. of New Mexico)
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