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Towards Heat Transfer Critical Conditions for Flow of Fluids with a Nonmonotonic Dependence of Viscosity on the Temperature in Annular Channel
- Authors: Kireev V.N.1, Mukhutdinova A.A.2, Urmancheev S.F.2
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Affiliations:
- Ufa University of Science and Technology
- Mavlutov Institute of Mechanics UFRC RAS
- Issue: Vol 87, No 3 (2023)
- Pages: 369-378
- Section: Articles
- URL: https://journals.rcsi.science/0032-8235/article/view/138864
- DOI: https://doi.org/10.31857/S0032823523030062
- EDN: https://elibrary.ru/ZTIVUQ
- ID: 138864
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Abstract
The present work is devoted to mathematical modeling of the features of the flow of fluids with a nonmonotonic dependence of viscosity on temperature, which is inherent in some solutions and melts of polymers, as well as in a number of liquid metal alloys. For a given pressure drop, the critical conditions of heat transfer on the channel walls are found, which determine the fluid flow rate in the process of establishing a flow associated with the formation of a localized high-viscosity region.
About the authors
V. N. Kireev
Ufa University of Science and Technology
Author for correspondence.
Email: kireev@anrb.ru
Russia, Ufa
A. A. Mukhutdinova
Mavlutov Institute of Mechanics UFRC RAS
Author for correspondence.
Email: muhutdinova18@gmail.com
Russia, Ufa
S. F. Urmancheev
Mavlutov Institute of Mechanics UFRC RAS
Author for correspondence.
Email: said@anrb.ru
Russia, Ufa
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