Sharp Instability Estimates for Bidisperse Convection with Local Thermal Non-equilibrium
Franca Franchi,
Roberta Nibbi,
Brian Straughan
Abstract:We analyse a theory for thermal convection in a Darcy porous material where the skeletal structure is one with macropores, but also cracks or fissures, giving rise to a series of micropores. This is thus thermal convection in a bidisperse, or double porosity, porous body. The theory allows for non-equilibrium thermal conditions in that the temperature of the solid skeleton is allowed to be different from that of the fluid in the macro- or micropores. The model does, however, allow for independent velocities an… Show more
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