10:30 〜 10:45
[2K04] Development an IVR System with Honeycomb Cooling Technology that combines CHF Improvement and Rapid Cooling of High-Temperature Bodies
(3) Elucidation of Rapid Cooling Mechanism of High-Temperature Bodies by Nanofluids
キーワード：Nanofluids, Rapid cooling , Quenching , IVR, Nanoparticle layer
Nanoparticle layer is formed on a solid plate by nucleate boiling in a nanofluid. The plate is heated and then cooled with a falling liquid film to investigate the quench velocity experimentally. Focusing on the quench velocity, which is important for the safety evaluation of nuclear reactors, the effects of thermal conductivity and particle size of nanoparticles constituting the nanoparticle layer on the quench velocity are investigated. The obtained experimental results are also discussed in terms of the contact surface temperature between the solid wall and the cooling liquid and the capillary performance of the nanoparticle layer.
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