Natural Convection in a Trapezoidal Enclosure with Wavy Top Surface

Figure 4

Streamlines (left) and isotherms (right) for Ra=10⁶ and Da=10⁻⁴. (a) 𝑎=0.9, (b) 𝑎=1, and (c) 𝑎=1.1.

(a)

(b)

(c)