EPJ Web Conf.
Volume 180, 2018EFM17 – Experimental Fluid Mechanics 2017
|Number of page(s)||5|
|Published online||04 June 2018|
Comparison of heat transfer coefficients of open micro-channels and plain micro-fins
Kielce University of Technology, Chair of Mechanics, al. 1000-lecia Państwa Polskiego 7, PL-25-314 Kielce, Poland
* Corresponding author: firstname.lastname@example.org
Published online: 4 June 2018
The paper describes results of analysis of pool boiling heat transfer on enhanced surfaces. Two types of structural surfaces were used: open microchannel surfaces consisting of a system of parallel micro-channels 0.3 mm wide, from 0.2 to 0.5 mm deep and with a pitch of 0.6 mm, and plain micro-fins 0.5 mm in height, uniformly spaced on the base surface with a spacing from 0.6 to1.5 mm. Pool boiling data at atmospheric pressure were obtained for saturated water, ethanol and FC-72. The effects of micro-channel/micro-fin dimensions on heat transfer coefficient in nucleate pool boiling were examined. Substantial enhancement of heat transfer coefficient was observed.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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