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Effects of Junction Flow on the Free Convection Heat Transfer of a Heated Vertical Plate

Authors
  • Malah, H.1
  • Chumakov, Y. S.1
  • 1 Institute of Applied Mathematics and Mechanics, Peter the Great St. Petersburg Polytechnic University, St. Petersburg, 195251, Russia , St. Petersburg (Russia)
Type
Published Article
Journal
High Temperature
Publisher
Pleiades Publishing
Publication Date
Nov 01, 2020
Volume
58
Issue
6
Pages
864–874
Identifiers
DOI: 10.1134/S0018151X20360018
Source
Springer Nature
License
Yellow

Abstract

AbstractThe present study covers results of non-stationary numerical simulation of three-dimensional flow in the junction region of a low aspect ratio circular cylinder entirely immerged in laminar free convection boundary layer developing over a heated vertical plate. To categorize the effects of the cylinder surface temperature on the dynamics behavior of the forming vortical structure, its size and position both upstream and downstream of the cylinder the results, which prove the presence of a complex coherent vortical structure, are analyzed. In particular, the influence of horseshoe vortex system formed upstream of the cylinder on the free convection heat transfer of the heated vertical plate in the junction area is evaluated. Finally, the importance of the forming vortical structure on the heat transfer computation for the junction region is demonstrated.

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