Research Article

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

Table 1

Configurations of artificial roughness used in the study.

Roughness configurationsRib height, (mm)Rib pitch, (mm)Hydraulic diameter of duct, (mm)Relative roughness pitch, P/e Relative roughness height, e/D

Type 10.710 33.33 14.290.021
Type 2114.290.03
Type 31.4200.042
Type 42.028.580.06