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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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Latest News
INL researchers use LEDs to shed light on next-gen reactors
At Idaho National Laboratory, researchers have built a bridge between computer models and the lab’s Microreactor Applications Research Validation and Evaluation (MARVEL) microreactor.
Tony Crawford, an INL researcher and MARVEL’s reactivity control system lead, designed a phone booth–sized surrogate nuclear reactor called ViBRANT, or Visual Benign Reactor as Analog for Nuclear Testing, which uses light instead of neutrons to show a “nuclear” reaction.
Technical Session|Panel|Sponsored by NISD
Friday, December 3, 2021|8:00–9:45AM EST |Columbia 4
Session Chair:
Richard H. (Chip) Lagdon (Bechtel National)
Alternate Chair:
Kevin R. O'Kula (Amentum Technical Services)
Session Organizers:
Charles R. (Chip) Martin (Longnecker and Associates)
In the last three years, fuel failures have been experienced in research reactors at Oak Ridge National Laboratory (ORNL) and the National Institute of Standards and Technology (NIST). The first of the events occurred in November 2018 at the ORNL High Flux Isotope Reactor (HFIR) resulting in the deformation of several fuel plates in the outer fuel element. The second related event occurred in February 2021 at the NIST Center for Neutron Research (NCNR) Reactor where damage occurred in a single fuel element. While neither event resulted in significant radiological exposure, each of the affected reactor facilities paused operations to review fuel fabrication, training, operations, quality assurance, and other aspects potentially contributing to the events. This session will be a panel that will discuss these events, the associated causal analyses, planned corrective actions, and lessons learned.
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