Abstract:The determination of the debris transport fraction during a LOCA of a PWR is very important in the sizing of the sump screen area. In this study, the debris transport fraction during the recirculation cooling phase is evaluated with and without consideration of turbulence effect. To do this, first experiments involving tumbling velocities measurements and supplementary CFD analyses are performed to verify the turbulence effect on debris transport. From these findings, the turbulence effect on the degree of deb… Show more
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