Kinetics and modeling of star fruit (Averrhoa carambola L.) drying in a tray dryer

被引：12

作者：

Santos, Calila Teixeira ^{[1
]}

Bonomo, Renata Ferreira ^{[1
]}

Chaves, Modesto Antonio ^{[1
]}

Ilheu Fontan, Rafael da Costa ^{[1
]}

Bonomo, Paulo ^{[1
]}

机构：

[1] Univ Estadual Sudoeste Bahia, BR-45700000 Itapetinga, BA, Brazil

来源：

ACTA SCIENTIARUM-TECHNOLOGY | 2010年 / 32卷 / 03期

关键词：

effective diffusivity; drying; modeling;

D O I：

10.4025/actascitechnol.v32i3.6048

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Kinetics and modeling of star fruit (Averrhoa carambola L.) drying in a tray dryer. In this work, drying curves were obtained for the star fruit (Averrhoa carambola L) in a tray dryer. From theses curves, drying rates and diffusivity data were also obtained and semi-theoretical models were adjusted. The drying curves were obtained using a tray dryer with temperatures of 50, 60 and 70 degrees C and an air flux of 1.5 m s(-1). The Page, Henderson & Pabis and Exponential models were fitted to the experimental data by non-linear regression. All fitted models presented high determination coefficients (R-2). The Page model showed the best fit. It was observed that effective diffusivity, calculated by Fick's law, increased with temperature.

引用

页码：309 / 313

页数：5

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