Abstract

In recent times, the risk assessment and design optimization of advanced fourth-generation nuclear reactors have garnered significant global scholarly attention. Specifically, researchers worldwide have been focusing on the comprehensive analysis of the scrubbing process of radioactive fission product aerosols within the reactor containment pool under severe accident scenarios. This study delves into the historical progression of investigating the pool scrubbing phenomenon, which dates back to the mid-20th century. International efforts have encompassed various aspects, including assessing the migration behavior of radioactive nuclides within molten metal environments, conducting sensitivity analyses to gauge the impact of diverse variables on pool scrubbing, formulating models for analyzing the pool scrubbing process, and conducting relevant experimental validations. Drawing upon an extensive body of literature, this article presents a synthesized overview of research into the pool scrubbing process of fission product aerosols, focusing on three principal dimensions: model elucidation, experimental investigations, and computational simulations. The insights provided herein serve as a consolidated reference point for forthcoming endeavors in this domain of research.

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