期刊
JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE
卷 49, 期 1, 页码 33-41出版社
SPRINGER INDIA
DOI: 10.1007/s13197-011-0266-7
关键词
Carrot pomace; Hot air drying; Modelling; Drying rate; Effective diffusivity; Activation energy
Thin layer carrot pomace drying characteristics were evaluated in a laboratory scale hot air forced convective dryer. The drying experiments were carried out at 60, 65, 70 & 75 A degrees C and at an air velocity of 0.7 m/s. Mathematical models were tested to fit drying data of carrot pomace. The whole drying process of carrot pomace took place in a falling rate period except a very short accelerating period at the beginning. The average values of effective diffusivity ranged from 2.74 x 10(-9) to 4.64 x 10(-9) m(2)/s for drying carrot pomace. The activation energy value was 23.05 kJ/mol for the whole falling rate period.
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