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传热学
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ISSN 打印: 1064-2285
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传热学

DOI: 10.1615/HeatTransRes.v31.i1-2.80
pages 31-35

Heat Transfer and Resistance in Channels with Spherical Grooves on the Walls

Yu. F. Gortyshov
A. N. Tupolev Kazan State Technical University, Kazan, Russia
V. V. Olimpiev
Kazan State Power Engineering Institute, Kazan, Russia
R. D. Amirkhanov
Kazan State Technical University, Kazan, Russia

ABSTRACT

The results of theoretical and experimental investigations of heat transfer intensification by the use of spherical cavities formed on heat transfer surfaces are presented. A calculation model for determination of the heat transfer and hydraulic resistance for a turbulent flow in channels with spherical cavities in the walls is proposed.