Amathematical model was developed for predicting the drying kinetics of spherical particles in a rotary dryer. Drying experiments\r\nwere carried out by drying fermented ground cassava particles in a bench scale rotary dryer at inlet air temperatures of 115ââ?¬â??230Ã?°C,\r\nair velocities of 0.83 m/sââ?¬â??1.55 m/s, feed mass of 50ââ?¬â??500 g, drum drive speed of 8 rpm, and feed drive speed of 100 rpmto validate the\r\nmodel. The data obtained from the experiments were used to calculate the experimental moisture ratio which compared well with\r\nthe theoretical moisture ratio calculated from the newly developed Abowei-Ademiluyi model. The comparisons and correlations\r\nof the results indicate that validation and performance of the established model are rather reasonable.
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