This study aimed to construct a thermal insulating board, made from rice husk and sunflower stalks, for use in a solar collector, and to compare its dynamic performance with boards of glass wool used in solar col-lectors for heating water.
This studyaimed to construct a thermal insulating board, made from rice husk and sunflower stalks, for use in asolar collector, and to compare its dynamic performance with boards of glass wool used in solar col-lectors for heating water.