Calculation of change of stock moisture content of the drying agent in the process of drying raw cotton in solar drying equipment

The article covers one of the urgent tasks, i.e. energy-saving, analytical calculation of the stock moisture content of the drying agent in the process of drying raw cotton in solar dryer with optical magnifiers, considering the various climatic conditions of Uzbekistan, has been developed, a method for calculating the change in the absolute and relative humidity of the drying agent when drying raw cotton using mathematical models has been developed.