Natural Convection in a Trapezoidal Enclosure with Wavy Top Surface

Figure 2

Streamlines (left) and isotherms (right) for Da=10⁻³ and 𝑎=0.9. (a) Ra=10⁴, (b) Ra=10⁵, and (c) Ra=10⁶.

(a)

(b)

(c)