EFFECT OF AIR FLOW RATE ON CARROT DRYING

The influence of air flow rate on the kinetics of drying 10x10x10 mm carrot cubes is presented. For this geometry kinetic equations are available, for the first falling rate drying period. Drying air flows of 1000, 2000, 2500, 3000, 4000, 5000, 6000, 8000 and 9000 kg/m 2 h were employed. It was foun...

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Bibliographic Details
Published in:Drying technology 1987-05, Vol.5 (2), p.245-258
Main Authors: Mulet, A., Berna, A., Borr, M., Pinaga, F.
Format: Article
Language:English
Subjects:
drying kinetics
mass transfer
phase resistance
vegetables drying
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Summary:The influence of air flow rate on the kinetics of drying 10x10x10 mm carrot cubes is presented. For this geometry kinetic equations are available, for the first falling rate drying period. Drying air flows of 1000, 2000, 2500, 3000, 4000, 5000, 6000, 8000 and 9000 kg/m 2 h were employed. It was found that for flow rates above 6000 kg/m 2 h the value of D/r 2 remains almost constant, thus indicating that when the air flow rate is higher it has no influence on the drying rate. The influence of air flow rate on carrot drying has been determined, hence allowing optimal flow rate calculation under economic constrictions.
ISSN:0737-3937
1532-2300
DOI:10.1080/07373938708916538