NUMERICAL-SIMULATION OF DRYING IN A CYCLONE

Authors
Citation
Ma. Silva et Sa. Nebra, NUMERICAL-SIMULATION OF DRYING IN A CYCLONE, Drying technology, 15(6-8), 1997, pp. 1731-1741
Citations number
18
Categorie Soggetti
Material Science
Journal title
ISSN journal
07373937
Volume
15
Issue
6-8
Year of publication
1997
Pages
1731 - 1741
Database
ISI
SICI code
0737-3937(1997)15:6-8<1731:NODIAC>2.0.ZU;2-P
Abstract
This work presents a complete improved mathematical model of drying in cyclone. The slip condition of the particles on the wall, the heat tr ansfer wall-particle and the shrinkage of the particles during the dry ing process were considered. The mathematical model considers a two-di mensional turbulent gas-particle now where the particle phase is treat ed as a continuum. The momentum equations of both particle and gas pha ses were written in cylindrical coordinates. The discretized equations were solved by the SIMPLE algorithm. Considering the slip condition t o the particle phase and the shrinkage of the material during the dryi ng process it was revealed a better fitness between numerical and expe rimental results than the previous model.