EPJ Web of Conferences
Volume 82, 2015Thermophysical Basis of Energy Technologies
|Number of page(s)||7|
|Published online||20 January 2015|
About the possible options for models of convective heat transfer in closed volumes with local heating source
Institute of Power Engineering, National research Tomsk Polytechnic University, Tomsk 634050, Russia
Published online: 20 January 2015
Results of mathematical modeling of convective heat transfer in air area surrounded on all sides enclosing structures, in the presence of heat source at the lower boundary of the media are presented. Solved the system of differential equations of unsteady Navier-Stokes equations with the appropriate initial and boundary conditions. The process of convective heat transfer is calculated using the models of turbulence Prandtl and Prandtl-Reichard. Takes into account the processes of heat exchange region considered with the environment. Is carried out the analysis of the dimensionless heat transfer coefficient at interfaces “air – enclosures”. The distributions average along the gas temperature range are obtained.
© Owned by the authors, published by EDP Sciences, 2015
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