Parametric Study on the Thermal Performance and Optimal Design Elements of Solar Air Heater Enhanced with Jet Impingement on a Corrugated Absorber Plate

Table 2

The assumptions and working conditions of jet impingement on a flat absorber plate in [37].

Working conditions and assumptions	Value
Solar radiation (I)	900 (W/m^2)
Ambient temperature (TA)	300 (K)
Convection heat transfer from the glass cover due to wind (hw)	11.4 (W/m^2 K)
Width of the heater (W)	1 (m)
Length of heater (L)	2 (m)
Mean gap between the absorber plate and jet plate (Hg)	0.05 (m)
Mean gap between the absorber plate and cover (Hc)	0.05 (m)
Absorptivity of solar radiation of the absorbing plate (αap)	0.95
Transmissivity of solar radiation of the glass cover (τc)	0.90
Spacing between absorber and back plate (z)	0.1 (m)
Diameter of the hole or nozzle	0.01 (m)
Center to center spacing between holes/nozzles	0.06 (m)