Abstract
A numerical analysis of the laminar regime of heat transfer in a square enclosure with finite-thickness heat-conducting walls in the presence of a constant-temperature heat-releasing element under the conditions of radiative heat exchange has been made in a surface-radiation approximation. A mathematical model has been formulated in dimensionless variables "stream function-vorticity-temperature," which was realized numerically by the finite-difference method. Temperature and streamline distributions reflecting the influence of the reduced emissivity factor of interior surfaces of enclosing walls, of the relative thermal-conductivity coefficient, and of the factor of unsteadiness on the flow regimes and heat transfer have been obtained.
Original language | English |
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Pages (from-to) | 110-119 |
Number of pages | 10 |
Journal | Journal of Engineering Physics and Thermophysics |
Volume | 86 |
Issue number | 1 |
DOIs | |
Publication status | Published - 1 Jan 2013 |
Keywords
- Finite-difference method
- Heat transfer
- Radiative heat exchange
- Surface radiation
ASJC Scopus subject areas
- Condensed Matter Physics
- Engineering(all)