Numerical Analysis of General Trends in Single-Phase Natural Circulation in a 2D-Annular Loop

Figure 4

Steady motion in a convective regime; Ra=22000, 𝑅=1.6, and 𝑃𝑟=5. (a) Isotherms, from 0.05 (blue) to 0.55 (red) in steps of 0.05. (b) Stream function field, from 5 (blue) to 60 (red) in steps of 5.

(a)

(b)