Large-break loss-of-coolant accidents in the updated PIUS 600 advanced reactor design
Conference
·
OSTI ID:100664
- Los Alamos National Lab., NM (United States). Technology and Safety Assessment Division
The PIUS advanced reactor is a 640-MWe pressurized water reactor concept developed by Asea Brown Boveri. A unique feature of PIUS is the absence of mechanical control and shutdown rods. Reactivity is controlled by coolant boron concentration and the temperature of the moderator coolant. Los Alamos is supporting the US Nuclear Regulatory Commission`s preapplication review of the PIUS reactor. Baseline calculations of the PIUS Supplement design were performed for a large-break loss-of-coolant (LBLOCA) initiator using TRAC-PF1/MOD2. Additional sensitivity studies examined flow blockage and boron dilution events to explore the robustness of the PIUS concept for low-probability combination events following an LBLOCA.
- OSTI ID:
- 100664
- Report Number(s):
- CONF-941142--; ISBN 0-7918-1433-5
- Country of Publication:
- United States
- Language:
- English
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