MATEC Web of Conferences
Volume 18, 2014101 EUROTHERM Seminar – Transport Phenomena in Multiphase Systems
|Number of page(s)||6|
|Section||Boiling, evaporation, condensation|
|Published online||05 December 2014|
Pool boiling heat transfer on surfaces with plain minifins and minifins with perforated foil
Kielce University of Technology, Al. Tysiaclecia P.P. 7 25-314 Kielce, Poland
a Corresponding author: firstname.lastname@example.org
The paper describes experimental study results for three kinds of enhanced surfaces (smooth surface, plain minifin surface and minifin surface with sintered perforated foil) and for two kinds of boiling fluids (ethyl alcohol and NovecTM 649). Novec 649 is considered to be an environmentally friendly alternative for electronic devices cooling applications. The experiments were carried out at atmospheric pressure. Compared with smooth surface, the surface with plain minifins provides approximately 1.5-times higher heat transfer coefficient obtained with NovecTM 649 and ethyl alcohol boiling. At low and medium heat fluxes minifins with porous covering produced the highest heat transfer coefficient.
© Owned by the authors, published by EDP Sciences, 2014
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.
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