Modeling and Simulation of Turbulent Flows through a Solar Air Heater Having Square-Sectioned Transverse Rib Roughness on the Absorber Plate

Figure 11

The contour plot of pressure for Re=18,000 and 𝑃/𝑒=14.29 at a relative roughness height of (a) 𝑒/𝐷=0.03, (b) 𝑒/𝐷=0.042 and (c) 𝑒/𝐷=0.06.

(a)

(b)

(c)