Experimental observation of the critical heat flux (CHF) enhancement of the nanofluids by the electrical explosion of a wire in liquid

作者: Eun Ju Park , In Cheol Bang , Hyung Wook Park

DOI: 10.1016/J.IJHEATMASSTRANSFER.2014.09.003

关键词:

摘要: Abstract In this study, Ag, Cu, and Al 2 O 3 nanofluids were produced from the electrical explosion of a wire in liquid (EEWL). Compared with two-step method, various manufactured by EEWL process had higher purity dispersion states. Pool-boiling experiments performed to evaluate their critical heat flux (CHF) enhancements, which 187% at 0.001 vol% for , 58% 99% Cu. The surface heating was observed using transmission electron microscopy (TEM) atomic force (AFM) after pool boiling. heater contained deposited nanoparticles that formed nano/microstructures different uniformity according state. Build-up on occurred during nucleate boiling, improved wettability. layer contributed CHF enhancement.

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