Research Article

Thermal Performance of Solar Air Heater Having Absorber Plate with V-Down Discrete Rib Roughness for Space-Heating Applications

Figure 3

(a) Longitudinal section of the roughened duct air heater with plane view of absorber plate having 60° v-down discrete rib roughness; (b) heat balance.
151578.fig.003a
(a)
151578.fig.003b
(b)