Research Article

Effect of Different Predrying Treatments on Physicochemical Quality and Drying Kinetics of Twin Layer Solar Tunnel Dried Tomato (Lycopersicon esculentum L.) Slices

Figure 3

Variation in air temperature and relative humidity in the twin layer solar tunnel dryer and ambient air during drying. Ts = temperature of air in the twin layer solar tunnel dryer, Ta ambient air temperature, RHa = relative humidity of ambient air, and RH = relative humidity of air in the twin layer solar tunnel dryer.