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Heat Transfer Research
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ISSN Druckformat: 1064-2285
ISSN Online: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v41.i4.50
pages 413-424

Vortical Intensification of Heat Transfer in Microchannels with Oval Dimples

Sergey A. Isaev
Saint Petersburg State University of Civil Aviation, 38 Pilotov Str., St. Petersburg, 196210, Russia; Tupolev Kazan National Research Technical University – Kazan Aviation Institute, 10 K. Marx Str., Kazan, Tatarstan, 420015, Russia
Eddie Leonardi
Computational Fluid Dynamics Research Laboratory, School of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney, Australia 2052
Victoria Timchenko
School of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney 2052, Australia
Aleksandr Evguenyevich Usachov
Central Aerohydrodynamic Institute (TsAGI) 1, Zhukovsky str., Zhukovsky, 140180, Moscow region, Russia

ABSTRAKT

Vortical intensification of heat transfer in microchannels with oval dimples is analyzed numerically. Using multiblock computational technologies, the separating laminar flow of air and heat transfer in a channel with a periodic one-row packet of dimples in the range of Reynolds numbers from 100 to 2500 is calculated. The thermohydraulic efficiency of the channel with oval dimples has been substantiated.


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