Transient Natural Convection in Porous Square Cavity Heated and Cooled on Adjacent Walls

Figure 2

Time history for streamlines (left) and isotherms (right) for Ra=100.

(a) 𝑡=0.001

(b) 𝑡=0.01

(c) 𝑡=0.05

(d) 𝑡=0.1

(e) 𝑡=0.5

(f) 𝑡=0.8