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http://dx.doi.org/10.1016/j.net.2021.08.025

Robust technique using magnetohydrodynamics for safety improvement in sodium-cooled fast reactor  

Lee, Jong Hui (Department of Mechanical Engineering, Kyungpook National University)
Park, Il Seouk (School of Mechanical Engineering, Kyungpook National University)
Publication Information
Nuclear Engineering and Technology / v.54, no.2, 2022 , pp. 565-578 More about this Journal
Abstract
Among Generation IV reactors, the sodium-cooled fast reactor (SFR) is attracting attention as a system having great potential for commercial use. Gas entrainment is a thermal-hydraulic issue related to the safety problem of the reactor core in the SFR. Typically, a dipped plate or baffles are installed under the free surface to suppress gas entrainment. However, these approaches can cause gas entrainment in other locations and require many trial-and-error and verifications. In this study, a new strategy using magnetohydrodynamics to suppress gas entrainment in the SFR is proposed. In a counter-flow model, a judgment criterion of gas entrainment occurrence was developed for both water and liquid metal. Moreover, the gas entrainment can be completely suppressed by applying a magnetic field.
Keywords
Gas entrainment; Vortex core; Magnetohydrodynamics; Sodium-cooled fast reactor; Safety problem;
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Times Cited By KSCI : 1  (Citation Analysis)
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