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ISSN Online: 2688-7231

ISBN Online: 978-1-56700-524-0

Proceedings of the 26thNational and 4th International ISHMT-ASTFE Heat and Mass Transfer Conference December 17-20, 2021, IIT Madras, Chennai-600036, Tamil Nadu, India
December, 17-20, 2021, IIT Madras, Chennai, India

Numerical simulation of station blackout transients in spent fuel pool of nuclear power plants

Get access DOI: 10.1615/IHMTC-2021.640
pages 425-431

Abstract

The spent subassemblies (SA) from nuclear reactors are cooled in spent fuel pools for several years before they become suitable for reprocessing or transfer to other storage locations with air cooling. As part of safety analysis, hypothetical extended and un-mitigated station blackout (SBO) is numerically studied using an inhouse developed code called Severe Accident Analysis Program (SAAP). The present paper describes the scenario, followed by the model for thermal transients in the subassemblies, pool water and building atmosphere and the results obtained for SBO in a typical Pressurized Water Reactor spent fuel pool.
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