EPJ Web Conf.
Volume 159, 2017XIV All-Russian School-Conference of Young Scientists with International Participation “Actual Problems of Thermal Physics and Physical Hydrodynamics”
|Number of page(s)||5|
|Published online||25 October 2017|
Experimental investigation of heat transfer in a falling down rivulet of liquid FC-72 on the vertical heated foil
Novosibirsk State Technical University, 630073, K. Marx Ave., 20, Novosibirsk, Russia
Kutateladze Institute of Thermophysics SB RAS, 630090, Lavrentiev ave. 1, Novosibirsk, Russia
* Corresponding author: firstname.lastname@example.org
Published online: 25 October 2017
Heat transfer at rivulet FC-72 flow over the constantan vertical heated foil with the length of 80 mm, width of 35 mm, and thickness of 25 mm was studied experimentally. Distributions of temperature on the bottom side of foil from the rivulet flow using the infrared thermographic data were obtained. In the future heat flux from the foil will be calculated with help of Koshi problem solution. It was shown that the rivulet width as the liquid flow rate increases, and it narrows as heat power increases due to the high evaporation rate. In the case with water, the rivulet narrows not so intensively as compared with the rivulet of FC-72 liquid. Good wettability and low heat of vaporization of FC-72 liquid contribute to using it to develop effective cooling systems.
© The authors, published by EDP Sciences, 2017
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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