2008
DOI: 10.1051/meca/2009023
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Modélisation et simulation du four rotatif de séchage des phosphates

Abstract: -Ce travail porte sur l'élaboration d'un modèle mathématique, unidimensionnel en régime permanent, pour la simulation des fours rotatifs de séchage du phosphate. L'objectif du modèle est de prédire la température et l'humidité des gaz et du produit le long du tube sécheur, ainsi que la température des parois, interne et externe, dudit tube. Le modèle estélaboréà partir des bilans thermiques et massiques appliquésà des tranches fines du four en tenant compte d'hypothèses appropriées. Des essais ontété réalisés … Show more

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(2 citation statements)
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“…A comparison between the simulation results (curve) and Raffak et al's [41] experimental values of product moisture along the dryer is found in Figure 4. The five tests were taken in similar conditions with an inlet product moisture of 16% (precisely 16.3%, 16.1%, 16%, 15.9%, and 15.7%).…”
Section: Model Validationmentioning
confidence: 86%
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“…A comparison between the simulation results (curve) and Raffak et al's [41] experimental values of product moisture along the dryer is found in Figure 4. The five tests were taken in similar conditions with an inlet product moisture of 16% (precisely 16.3%, 16.1%, 16%, 15.9%, and 15.7%).…”
Section: Model Validationmentioning
confidence: 86%
“…To validate the model, a comparison with the work of Raffak et al [41] has been made. Raffak et al [41] have worked on the simulation and experimentation of a 25 m long industrial phosphate rotary dryer with an internal diameter of 2.5 meters. Various parameters governing the operation of these dryers were measured during this work.…”
Section: Model Validationmentioning
confidence: 99%