Mathematical Model for Energy and Exergy-Based Simulation of Triangular Solar Energy Extractor for Air Heating Applications

Table 2

Typical value of design and operating conditions.

Design and operating parameters	Value
Length (L) and width (W) of the duct	1.5 m
Thickness (δi) of insulation	0.06 m
Glass transparent cover thickness (tg)	0.004 m
Thermal conductivity value of insulation (ki)	0.04 W/mK
Thermal conductivity value of glass cover (kg)	0.75 W/mK
Radiation of intensity (I)	1000 W/m^2
Atmospheric temperature (Ta)	300 K
Temperature rise parameter (ΔT/I)	0.002–0.03 K·m^2/W
Reynolds number (Re)	2000–35000
Relative roughness height (e/Dh)	0.021–0.043
Relative roughness pitch (P/e)	4–16
Inclination angle of arc (α)	30–75°