Containment is the ultimate barrier which protects the radioactive substance from spreading to the atmosphere. Sensitivity analysis on AP1000 containment during postulated design basis accidents (DBAs) was studied by a dedicated analysis code PCCSAP-3D. The code was a three-dimensional thermal-hydraulic program developed to analyze the transient response of the containment during DBAs; and it was validated at a certain extent. Peak pressure and temperature were the most important phenomena during DBAs. The parameters being studied for sensitivity analysis were break source mass flow rate, containment free space, surface area and volume of heat structures, heat capacity of the containment shell, film coverage, cooling water tank mass flow rate and initial conditions. The results showed that break mass flow rate as well as containment free space had the most significant impact on the peak pressure and temperature during DBAs.
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2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference
July 30–August 3, 2012
Anaheim, California, USA
Conference Sponsors:
- Nuclear Engineering Division
- Power Division
ISBN:
978-0-7918-4497-7
PROCEEDINGS PAPER
The Sensitivity Analysis of Passive Containment Cooling System During Design Basis Accidents
Zhiwei Zhou,
Zhiwei Zhou
Tsinghua University, Beijing, China
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Yaoli Zhang,
Yaoli Zhang
Tsinghua University, Beijing, China
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Yanning Yang
Yanning Yang
State Nuclear Power Technology R&D Center, Beijing, China
Search for other works by this author on:
Zhiwei Zhou
Tsinghua University, Beijing, China
Yaoli Zhang
Tsinghua University, Beijing, China
Yanning Yang
State Nuclear Power Technology R&D Center, Beijing, China
Paper No:
ICONE20-POWER2012-55136, pp. 727-732; 6 pages
Published Online:
October 30, 2013
Citation
Zhou, Z, Zhang, Y, & Yang, Y. "The Sensitivity Analysis of Passive Containment Cooling System During Design Basis Accidents." Proceedings of the 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference. Volume 3: Thermal-Hydraulics; Turbines, Generators, and Auxiliaries. Anaheim, California, USA. July 30–August 3, 2012. pp. 727-732. ASME. https://doi.org/10.1115/ICONE20-POWER2012-55136
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