Abstract
Evaluation of species transfer models in the cfd simulation of fixed bed soybean drying
Highlights
The drying process is an old industrial operation, and it is responsible for the maintenance of the perishability and moisture equilibrium of materials, preserving them through the induced water evaporation
This work aims at developing the subject, using numeric methodologies that are still understudied in the literature, and contribute to the study of particles drying simulation
The equations for conservation of mass, energy and momentum were used combined to the Multiphase Eulerian Granular Model to represent the air-particle system
Summary
The drying process is an old industrial operation, and it is responsible for the maintenance of the perishability and moisture equilibrium of materials, preserving them through the induced water evaporation. Drying is specially used in agricultural processes, where products (seeds, cereals, grains) are often higroscopic, that is, have a high capacity for absorbing moisture. The process is crucial for the treatment of these products through the moisture reduction. The operational cost for drying is relatively high (Garcia et al, 2004). In order to raise the productivity of the process it is necessary to predict the behaviour of variables that directly affect the quality of the drying and the seeds, related with changes in operational parameters, allowing for the analysis of possible optimizations for the equipment
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