Natural Convection in a Differentially Heated Square Enclosure with a Solid Polygon

Figure 6

Streamlines (left), isotherms (middle), and heatlines (right) evolutions by varying Rayleigh number for 𝑁=5, 𝑋₀=0.5, 𝐴=𝜋/25, and 𝐾_𝑟=1.0.

(a) Ra=10³

(b) Ra=10⁴

(c) Ra=10⁵

(d) Ra=10⁶