Heat transfer and hydraulic resistance in channels with spherical protrusions
- Authors: Popov I.A.1, Shchelchkov A.V.1, Yarkaev M.Z.1
- 
							Affiliations: 
							- KAI – Tupolev National Research Technical University
 
- Issue: Vol 54, No 6 (2016)
- Pages: 842-850
- Section: Heat and Mass Transfer and Physical Gasdynamics
- URL: https://journals.rcsi.science/0018-151X/article/view/156969
- DOI: https://doi.org/10.1134/S0018151X16060146
- ID: 156969
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Abstract
This article presents an analytical overview of experimental studies of hydraulic resistance and heat transfer in channels with disturbed flow surfaces in the form of systems of spherical protrusions in a wide range of flow and design parameters. A uniform approach to generalization of experimental data by various authors has been developed considering differences in the geometry of heat-transfer surfaces. Uniform universal generalizing dependences have been obtained for the hydraulic resistance and heat transfer coefficients in channels with spherical protrusions.
About the authors
I. A. Popov
KAI – Tupolev National Research Technical University
							Author for correspondence.
							Email: popov-igor-alex@yandex.ru
				                					                																			                												                	Russian Federation, 							Kazan						
A. V. Shchelchkov
KAI – Tupolev National Research Technical University
														Email: popov-igor-alex@yandex.ru
				                					                																			                												                	Russian Federation, 							Kazan						
M. Z. Yarkaev
KAI – Tupolev National Research Technical University
														Email: popov-igor-alex@yandex.ru
				                					                																			                												                	Russian Federation, 							Kazan						
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