CFD Simulations and Experimental Investigation of a Flat-Plate Solar Air Heater at Different Positions of Inlet and Outlet

Table 1

Main parts and materials used in the solar air heater constructions.

Parts of solar air heater	Materials used
Wall of the solar air heater	Plywood with thickness of 18 mm, which was painted black
Absorber plate	Aluminium sheet metal with 1 mm thickness which was painted with black jet colour
Glazing	A simple window glass with 4 mm thickness