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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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Critical heat flux enhancement in pool boiling through increased rewetting on nanopillar array surfaces.pdf | 2.13 MB | Adobe PDF | View/Open |
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