Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/87367
Title: Critical heat flux enhancement in pool boiling through increased rewetting on nanopillar array surfaces
Authors: Nguyen, Thien-Binh
Liu, Dongdong
Wang, Baomin
Rashin, Nabeel
Leu, Paul W.
Tran, Tuan
Md Imrul Kayes
Keywords: Nanopillar Substrates
Critical Heat Flux (CHF)
Issue Date: 2018
Source: Nguyen, T.-B., Liu, D., Md Imrul Kayes, Wang, B., Rashin, N., Leu, P. W., et al. (2018). Critical heat flux enhancement in pool boiling through increased rewetting on nanopillar array surfaces. Scientific Reports, 8(1), 4815-.
Series/Report no.: Scientific Reports
Abstract: Boiling is a key heat transfer process for a variety of power generation and thermal management technologies. We show that nanopillar arrays fabricated on a substrate enhance both the critical heat flux (CHF) and the critical temperature at CHF of the substrate and thus, effectively increase the limit of boiling before the boiling crisis is triggered. We reveal that the enhancement in both the CHF and the critical temperature results from an intensified rewetting process which increases with the height of nanopillars. We develop a predictive model based on experimental measurements of rewetting velocity to predict the enhancement in CHF and critical temperature of the nanopillar substrates. This model is critical for understanding how to control boiling enhancement and designing various nanostructured surfaces into specific applications.
URI: https://hdl.handle.net/10356/87367
http://hdl.handle.net/10220/45396
ISSN: 2045-2322
DOI: 10.1038/s41598-018-22693-z
Schools: School of Mechanical and Aerospace Engineering 
Rights: © 2018 The Author(s) (Nature Publishing Group). This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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