Research Article
Thermal Performance of Solar Air Heater Having Absorber Plate with V-Down Discrete Rib Roughness for Space-Heating Applications
Table 1
Values of parameters.
| Parameter | Value |
| Absorber plate-glass cover transmittance absorptance product, | 0.8 (fixed) for single glass cover | Gap between the absorber plate and glass cover, | 40 mm | Insulation | Foamed polystyrene or glass wool | Thermal conductivity of insulation, | 0.037 Wm−1 K−1 | Insulation thickness, | 50 mm | Long wave emissivity of glass cover, | 0.88 |
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