Convective heat transfer and drag of two side-by-side tubes in the narrow channel at different Reynolds number
https://doi.org/10.29235/1561-8323-2018-62-6-756-762
Abstract
We studied numerically and experimentally convective heat transfer and drag of two side-by-side tubes in different arrangements in the narrow channel at the Reynolds number ranging from 8000 to 40000 in comparison with circular tubes. The visualization results of the flow structure in the wake behind the arrangements of the investigated tubes are presented. It is shown that the thermal and hydraulic performance of side-by-side drop-shaped tubes is by a factor of 1.2–2 higher than that of circular tubes due to a lower drag of drop-shaped tubes.
About the Authors
Yu. V. Zhukova
A. V. Luikov Heat and Mass Transfer Institute of the Academy of Sciences of Belarus, Minsk
Belarus
Ph. D. (Physics and Matematics), Leading researcher
Belarus
Ph. D. (Physics and Matematics), Leading researcher
A. M. Теrekh
Igor Sikorsky National Technical University of Ukraine “Kiev Polytechnic Institute”, Kiev
Ukraine
Ph. D. (Engineering), Senior researcher
Ukraine
Ph. D. (Engineering), Senior researcher
A. I. Rudenko
Igor Sikorsky National Technical University of Ukraine “Kiev Polytechnic Institute”, Kiev
Ukraine
Ph. B. (Engineеring), Associate professor
Ukraine
Ph. B. (Engineеring), Associate professor
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