These dryers employ an auxiliary heating system, enabling them to operate at night or under other non-ideal irradiance conditions. Both electric systems and biomass burners have been used as auxiliary heating systems in this type of dryer
These dryersemploy an auxiliary heating system, enabling them to operateat night or under other non-ideal irradiance conditions.Both electric systems and biomass burners have been usedas auxiliary heating systems in this type of dryer