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Sensitivity of heatfunction boundary conditions on invariance of Bejan's heatlines for natural convection in enclosures with various wall heatings

par Biswal, Pratibha ;Basak, Tanmay
Référence International Journal of Heat and Mass Transfer, 89, page (1342-1368)
Publication Publié, 2015

Article révisé par les pairs

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Résumé :

Current work attempts to study the heatline patterns during natural convection for different types of Dirichlet heatfunction boundary conditions.The enclosures with various shapes (square, curved, trapezoidal, tilted square and parallelogrammic) are considered with various thermal boundary conditions such as (a) case 1: hot left wall, cold right wall and adiabatic horizontal walls, (b) case 2: hot bottom wall, cold left and right walls and adiabatic top wall and (c) case 3: hot bottom wall with other cold walls.Traditionally, the reference of heatfunction (Π