Research Article

A Novel Parabolic Trough Concentrating Solar Heating for Cut Tobacco Drying System

Figure 3

Effect of cavity opening width on collector temperature (experimental conditions: mass of heat conduction oil = 42.65 kg and flow rate = 0.15 kg/s).
209028.fig.003a
(a) 7 cm
209028.fig.003b
(b) 4 cm