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Rus. J. Nonlin. Dyn., 2021, Volume 17, Number 2, Pages 211–220 (Mi nd751)  

Nonlinear engineering and robotics

Calculation and Experimental Study of Heat Exchange in a System of Plane-Parallel Channels with Surface Intensifiers

S. I. Kaskov

Bauman Moscow State Technical University, ul. 2-ya Baumanskaya 5, 1, Moscow, 105005 Russia

Abstract: This paper presents the results of numerical investigation, calculation analysis and experimental study of heat exchange in a system of plane-parallel channels formed by rectangular fins, which are applied in a heat removal device using heat tubes for power semiconductor energy converters. Passive cooling (heat removal by radiation and natural convection) and active cooling (heat removal by radiation and forced convection) are investigated for various velocities of air cooling of fins by spherical vortex generators applied to its surface. A comparative analysis of the results is carried out for the average effective heat removal resistance and for the average temperature at the ends of the fins. The application of numerical modeling to solve such problems confirms the effectiveness of computational technologies. The difference between the results of the study ranges from 10 to 16% depending on the airflow rate.

Keywords: vortex enhancement, heat transfer, cooling of power electronics

DOI: https://doi.org/10.20537/nd210206

Full text: PDF file (12949 kB)
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MSC: 80-XX, 76B47, 76D17
Received: 05.03.2021
Accepted:02.06.2021
Language:

Citation: S. I. Kaskov, “Calculation and Experimental Study of Heat Exchange in a System of Plane-Parallel Channels with Surface Intensifiers”, Rus. J. Nonlin. Dyn., 17:2 (2021), 211–220

Citation in format AMSBIB
\Bibitem{Kas21}
\by S. I. Kaskov
\paper Calculation and Experimental Study
of Heat Exchange in a System of Plane-Parallel
Channels with Surface Intensifiers
\jour Rus. J. Nonlin. Dyn.
\yr 2021
\vol 17
\issue 2
\pages 211--220
\mathnet{http://mi.mathnet.ru/nd751}
\crossref{https://doi.org/10.20537/nd210206}
\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85109431910}


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