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Pool Boiling of Novec 7300 and Self-Rewetting Fluids on Electrically-Assisted Supersonically Solution-Blown, Copper-Plated Nanofibers

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posted on 11.02.2018, 00:00 authored by A.L. Yarin, S. Sinha-Ray, R.P. Sahu
Pool boiling of Novec 7300 fluid and self-rewetting water-heptanol mixtures on bare copper surface and a copper surface coated with copper-plated nanofibers is studied experimentally. The experimental data revealed a significant increase in the heat removal rate up to the critical heat flux (CHF) on the copper-plated nanofiber surfaces in comparison with bare copper surfaces. Also, the critical heat flux increases on the copper-plated nanofiber surface, albeit it is reached at a lower surface superheat in comparison with bare copper surface. Prolong boiling in water facilitates oxidation of the layer of copper-plated nanofibers, and diminishes its roughness, albeit does not affect the heat transfer rate.


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NOTICE: This is the author’s version of a work that was accepted for publication in International Journal of Heat and Mass Transfer. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in International Journal of Heat and Mass Transfer, Volume 95, April 2016, Pages 83-93 DOI: 10.1016/j.ijheatmasstransfer.2015.11.094.





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