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Nonisothermal Flow Around a Circular Cylinder with a Permeable Layer at Moderate Reynolds Numbers

  • I. V. Morenko
  • B. A. Snigerev
HYDROGASDYNAMICS IN TECHNOLOGICAL PROCESSES
  • 56 Downloads

Results of a numerical investigation of a separation nonisothermal flow of an incompressible viscous fluid around a circular cylinder covered with a permeable porous layer at moderate Reynolds numbers are presented. This flow was defined with the use of Navier–Stokes and energy equations, and the filtration flow in the porous layer was determined by the Forchheimer law. The dependence of the hydrodynamical drag of the indicated cylinder and the length of the vortex region in the flow around it on the Reynolds and Darcy numbers was determined. An analysis of the heat transfer from cylindrical bodies covered with permeable layers of a highly heat-conducting material or a heat-insulating material has been performed.

Keywords

permeable porous layer circular cylinder heat exchange nonisothermal flow 

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Copyright information

© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.Institute of Mechanics and Machine Manufacturing, Kazan Research CenterRussian Academy of SciencesKazanRussia

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