Modern solar grain dryer

Abstract A modern unit for drying grains after harvesting was investigated. The unit is simply a rotary dryer that uses solar energy as the heating source. The performance was tested and found statisfactory. Results of tests for drying corn and peanuts are given in the form of tables and curves. Peanuts were found to dry in 3 and corn in 5·5 h. Design steps of the unit are given in detail.