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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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NRC looks to leverage previous approvals for large LWRs
During this time of resurging interest in nuclear power, many conversations have centered on one fundamental problem: Electricity is needed now, but nuclear projects (in recent decades) have taken many years to get permitted and built.
In the past few years, a bevy of new strategies have been pursued to fix this problem. Workforce programs that seek to laterally transition skilled people from other industries, plans to reuse the transmission infrastructure at shuttered coal sites, efforts to restart plants like Palisades or Duane Arnold, new reactor designs that build on the legacy of research done in the early days of atomic power—all of these plans share a common throughline: leveraging work already done instead of starting over from square one to get new plants designed and built.
Technical Session|Water-Cooled Reactor Operations and Accident Analysis
Monday, August 21, 2023|1:30–3:10PM EDT|Columbia 3/4
Session Chair:
Caleb Brooks (Univ. Illinois, Urbana-Champaign)
Alternate Chair:
Hyun Sik Park
Session Organizer:
Cesare Frepoli
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BWRX-300 Chimney Evaluations (1): Conceptual Design of the Chimney
1:30–1:50PM EDT
Charles Heck (Global Nuclear Fuel), Scott Bowman (Global Nuclear Fuel), Kazuaki Kito (Hitachi-GE Nuclear Energy)
Paper
Presentation Slides (Visible to Attendees) — presentation paper #40308
BWRX-300 SMR Chimney Evaluations (2): Strategy for Qualifying TRACG Evaluations of Chimney Void Fractions
1:50–2:10PM EDT
A. Povolny (Hitachi-GE Nuclear Energy), K. Katono (Hitachi-GE Nuclear Energy), C. Heck (Global Nuclear Fuel), Z. Zhang (GE Hitachi Nuclear Energy)
Presentation Slides (Visible to Attendees)
BWRX-300 SMR Chimney Evaluations (3): HUSTLE Testing in Large Diameter Chimney at Nominal Pressure and Temperature
2:10–2:30PM EDT
Kenichi Katono (Hitachi-GE Nuclear Energy), Antonin Povolny (Hitachi-GE Nuclear Energy), Hajime Furuichi (Hitachi-GE Nuclear Energy), Kiyoshi Fujimoto (Hitachi-GE Nuclear Energy), Kenichi Yasuda (Hitachi-GE Nuclear Energy), Kazuaki Kito (Hitachi-GE Nuclear Energy)
BWRX-300 SMR Chimney Evaluations (4): Measurement of Void Fraction and Velocity Distributions in Large Diameter Chimney at Nominal Pressure and Temperature Using Double-Plane Wire-Mesh Sensor
2:30–2:50PM EDT
Hajime Furuichi (Hitachi-GE Nuclear Energy), Antonin Povolny (Hitachi-GE Nuclear Energy), Kenichi Katono (Hitachi-GE Nuclear Energy), Kenichi Yasuda (Hitachi-GE Nuclear Energy), Kazuaki Kito (Hitachi-GE Nuclear Energy)
Attachment
Feasibility Analysis of Flooding Safety System of i-SMR with MELCOR Code
2:50–3:10PM EDT
Chang Hyun Song (Hanyang Univ.), Jae Hyung Park (Hanyang Univ.), Sung Joong Kim (Hanyang Univ.)
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