Thermohydraulic Performance Improvement in Heat Exchanger Square Duct Inserted with 45° Inclined Square Ring

Figure 8

Temperature contours in the y-z plane of the heat exchanger square duct installed with the 45° ISR for (a) s/H = 0, (b) s/H = 0.05, (c) s/H = 0.10, (d) s/H = 0.15, (e) s/H = 0.20, (f) s/H = 0.25, and (g) s/H = 0.30 at BR = 0.20 and Re = 800.

(a)

(b)

(c)

(d)

(e)

(f)

(g)