carried outexperimentsintemperaturesrangingfrom40 1C to60 1C andvelocitiesfrom
0.7 ms1 to 1.2ms1. Theauthorsstatedthatthemoisturecurvesfollowedsigmoidalshapecharacteristicofthedrying
processesandgaveevidenceofareductionindryingtimewiththeincreaseintemperature.Theyalsoconcludedthatan
increaseinairvelocitiesresultedtoahigherdryingrate;however,theeffectofthedryingvelocityonthedryingratewas
nearlynegligibleforlowermoistureratios.
The purposeofthepresentstudyistheexperimentalinvestigationofthedryingkineticsofquincesforairdrying
conditions (temperature40,50and60 1C, velocityof1,2and3ms1, humidity10%)thathavenotbeenstudiedinthe
earlier literatureandthedeterminationoftheeffectivemoisturediffusivityaswellastheactivationenergyfortheabove
conditions.