Transverse motion of cohesive powders in flighted rotary kilns: experimental study of unloading at ambient and high temperatures - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Powder Technology Année : 2013

Transverse motion of cohesive powders in flighted rotary kilns: experimental study of unloading at ambient and high temperatures

Résumé

The transverse flow of cohesive powders in rotary kilns equipped with lifters was studied experimentally and theoretically. A laboratory device was built up in which the flow of uranyl difluoride (UO2F2), uranium sesquioxide (U3O8) and uranium dioxide (UO2) powders was filmed, recorded and analyzed using partly manual image analysis techniques. Experiments were performed both at room temperature and at high temperature. A constitutive law describing the powder discharge was derived, involving a relationship between the volume fraction of powder contained in a lifter and the angular position of this lifter. This law based on geometrical calculations is successfully compared with the experimental results of unloading.
Fichier principal
Vignette du fichier
debacqPowderTech2013.pdf (646.83 Ko) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)
Loading...

Dates et versions

hal-00823592 , version 1 (04-04-2017)

Licence

Paternité - Pas d'utilisation commerciale - Pas de modification

Identifiants

Citer

Marie Debacq, Stéphane Vitu, Denis Ablitzer, Jean-Léon Houzelot, Fabrice Patisson. Transverse motion of cohesive powders in flighted rotary kilns: experimental study of unloading at ambient and high temperatures. Powder Technology, 2013, 245, pp.56-63. ⟨10.1016/j.powtec.2013.04.007⟩. ⟨hal-00823592⟩
155 Consultations
290 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More