A novel approach for critical heat flux enhancement during severe accident mitigation with removal of radioactive materials from the coolant

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In this paper, a new system, which consists of mature and proven technologies, is suggested for simultaneous objectives in nuclear power plants: CHF enhancement and effective decontamination. It consists of multifunctional magnetic nanoparticles and a collector part. CHF enhancement for severe accident mitigation strategies like IVR-ERVC and core catcher is expected along with an efficient decontamination process of target radioactive nuclides, and through the collector part, where external magnetic fields are applied, working fluid can be effectively purified. The multifunctional magnetic nanoparticle possesses potentials to severe accident scenarios based on its distinct characteristics. Also, a nanofluid system is strongly affected by environments and state of the immersed particles; the CHF enhancement can be stably achieved in real applications with proper consideration and optimization.
Publisher
ELSEVIER SCIENCE SA
Issue Date
2020-08
Language
English
Article Type
Article
Citation

NUCLEAR ENGINEERING AND DESIGN, v.365

ISSN
0029-5493
DOI
10.1016/j.nucengdes.2020.110715
URI
http://hdl.handle.net/10203/275844
Appears in Collection
NE-Journal Papers(저널논문)
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