As expected, the laminar air flow conditions and
slow air flow rate (0.4 m/s) in the forced air dryer resulted in longer
drying times than for the other methods. As compared to the forced
air dryer (control-1), drying times were 36 and 51% less for the
impingement dryer and 46 and 56% less for the modified
impingement dryer at 85 C and 107 C, respectively.