Fig. 3

Thermal distributions of a convection at different viscosity variations and at different pressure numbers for a fixed viscous dissipation number \(D=0.6\) with \(\theta _0 = 0.1\) and \({\mathrm{Ra}} = 10^7\)
Thermal distributions of a convection at different viscosity variations and at different pressure numbers for a fixed viscous dissipation number \(D=0.6\) with \(\theta _0 = 0.1\) and \({\mathrm{Ra}} = 10^7\)