ISSN Online: 2377-424X
ISBN Print: 0-85295-345-3
International Heat Transfer Conference 10
NATURAL CONVECTION IN AN IRREGULAR POROUS CAVITY: EFFECTS OF THERMAL BOUNDARY CONDITIONS
Sinopsis
This paper reports a numerical simulation on natural
convection occurring in an irregular porous cavity. Three
combinations of thermal boundary conditions are considered, involving conditions of adiabatic wall and/or isothermal heating. The horizontal upper wall is isothermally cooled and the other walls are considered as adiabatic. The steady-state regime is examined for several intensities of the buoyancy effects due to temperature variations. The effects of thermal
boundary conditions on the flow pattern and temperature
distributions are studied. Global and local Nusselt numbers are reported for the cooled and heated walls. Contour maps illustrate aspects of the fluid flow and temperature fields.