Simulation and Optimization of Semicontinuous Industrial Tunnel Dryers for Fruits

被引：6

作者：

Caceres-Huambo, B. N. ^{[1
]}

Menegalli, F. C. ^{[2
]}

机构：

[1] Univ Nacl San Antonio Abad Cusco, Dept Chem Engn, Cuzco, Peru

[2] Univ Estadual Campinas, Dept Food Engn, Sao Paulo, Brazil

来源：

DRYING TECHNOLOGY | 2009年 / 27卷 / 03期

关键词：

Fruits; Optimization; Semicontinuous; Simulation; Tunnel dryer; DRYING PROCESS; ASCORBIC-ACID; FOOD; DEHYDRATION; DESIGN; ENERGY; WATER;

D O I：

10.1080/07373930802683559

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Semicontinuous industrial tunnel dryers were simulated and optimized for concurrent and countercurrent configurations. Mass and energy balances for the solid and gas phase were used to describe the operation of the dryer and a semi-empirical model for the mass transfer rate; the drying rate equation parameters were fitted using experimental data for Italy grapes. The simulation programs coded in Fortran 90 calculate the moisture and temperature profiles for grapes and humidity and temperature for air throughout the tunnel, cycle time, recirculation ratio, thermal load, and fresh air flow rate. The optimization minimizes the energy input considering the degradation of ascorbic acid in the fruit as the main constraint.

引用

页码：428 / 436

页数：9

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