Comparison of 1D and 2D models predicting a packed bed drying

Abstract : A numerical study for the modelling of porous particles packed bed drying in one and two dimensions (1D and 2D) is presented in this work. This model is based on the averaging volume approach using two scale changes. Taking into account the non validity of the thermal equilibrium between the gas phase and the porous particle, a two temperatures model is then developed. The numerical resolution of macroscopic equations describing heat and mass transfer during the drying of a packed bed is carried out by the method of finite volume. Experimental data for spherical porous alumina particles reported in the literature were used for the validation of the model. A good agreement was found. The influence of particles thermophysical properties and operating variables is tested. A set of time-space evolution describes the progression of these variables with time, in the height and radius of the packed bed. The model results allow a better understanding of the heat and mass transfer mechanisms involved in a packed bed drying process.
Type de document :
Article dans une revue
International Journal for Simulation and Multidisciplinary Design Optimization, EDP sciences/NPU (China), 2014, 5, 〈10.1051/smdo/2013018〉
Liste complète des métadonnées

Littérature citée [34 références]  Voir  Masquer  Télécharger

https://hal.univ-lorraine.fr/hal-01592590
Contributeur : Lermab Ul <>
Soumis le : jeudi 5 octobre 2017 - 14:27:03
Dernière modification le : mardi 20 mars 2018 - 10:17:51

Fichier

smdo130018 (1).pdf
Fichiers éditeurs autorisés sur une archive ouverte

Identifiants

Collections

Citation

Souad Messai, Mohamed El Ganaoui, Jalila Sghaier, Laurent Chrusciel, Slimane Gabsi. Comparison of 1D and 2D models predicting a packed bed drying. International Journal for Simulation and Multidisciplinary Design Optimization, EDP sciences/NPU (China), 2014, 5, 〈10.1051/smdo/2013018〉. 〈hal-01592590〉

Partager

Métriques

Consultations de la notice

46

Téléchargements de fichiers

58