CFD Analysis to Study Effect of Circular Vortex Generator Placed in Inlet Section to Investigate Heat Transfer Aspects of Solar Air Heater

Table 1

Geometrical parameters for both geometries used in artificially roughened solar air heater duct.

Geometrical parameters	Value
Inlet length of duct ()	225 mm
Test length of duct ()	121 mm
Outlet length of duct ()	115 mm
Width of duct ()	100 mm
Height of duct ()	20 mm
Hydraulic diameter () of duct	33.33 mm
Rib height ()	1 mm
Pitch ()	10, 15, 20, and 25 mm
Transverse pitch ()	10, 15, 20, and 25 mm