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Convective heat transfer in axisymmetric enclosures of different configurations under the conditions of their axial rotation and external heating

Convective heat transfer in axisymmetric enclosures of different configurations under the... Abstract The phenomenon of the intensification of convective heat transfer through air cavities under the conditions of their axial rotation and external heating based on the rise of centrifugal body forces in differently heated air medium has been substantiated theoretically and confirmed experimentally. The criterion dependencies for convection coefficients of axisymmetric cylindrical and conical closed air cavities subjected to external heating and axial rotation have been obtained using the results of the physical and numerical experiments. Both single-layer cylindrical cavities and two-layer ones with perforating internal orifices have been considered. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Thermophysics and Aeromechanics Springer Journals

Convective heat transfer in axisymmetric enclosures of different configurations under the conditions of their axial rotation and external heating

Thermophysics and Aeromechanics , Volume 24 (2): 16 – Mar 1, 2017

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Publisher
Springer Journals
Copyright
2017 Pleiades Publishing, Ltd.
ISSN
0869-8643
eISSN
1531-8699
DOI
10.1134/S086986431702010X
Publisher site
See Article on Publisher Site

Abstract

Abstract The phenomenon of the intensification of convective heat transfer through air cavities under the conditions of their axial rotation and external heating based on the rise of centrifugal body forces in differently heated air medium has been substantiated theoretically and confirmed experimentally. The criterion dependencies for convection coefficients of axisymmetric cylindrical and conical closed air cavities subjected to external heating and axial rotation have been obtained using the results of the physical and numerical experiments. Both single-layer cylindrical cavities and two-layer ones with perforating internal orifices have been considered.

Journal

Thermophysics and AeromechanicsSpringer Journals

Published: Mar 1, 2017

References