Research Article

Effects of Blanching and Natural Convection Solar Drying on Quality Characteristics of Red Pepper (Capsicum annuum L.)

Table 1

Details of solar collector assembly material.

ParameterValue/description

Collector area1.44 m2 (0.83 m × 1.73 m)
Absorber plateGalvanized steel 0.67 mm thick
Absorber plate surface treatmentBlack paint coating
GlazingTransparent glass of surface area 1.26 m2 and 5 mm thick
Bottom insulationCardboard 20 mm thickness
Inside reflectorAluminium foil of 0.5 mm thickness
CasingHard wood of 2.5 cm thick
Collector slope10°