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Flow of viscoelastic polymer solutions in mixed beds of particles

✍ Scribed by Carlos Tiu; James Z. Q. Zhou; Gilda Nicolae; Tunann. Fang; Raj P. Chhabra

Publisher: John Wiley and Sons
Year: 1997
Tongue: English
Weight: 691 KB
Volume: 75
Category: Article
ISSN: 0008-4034
DOI: 10.1002/cjce.5450750504

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✦ Synopsis

New extensive pressure drop-flow rate data are reported for the creeping flow of well characterised viscoelastic polymer solutions through packed beds of mixed size spheres and of spheres and cylinders. It is established that the effective mean surface diameter is adequate in correlating the pressure loss data in flow through packed beds of mixed size and shape. A distinct correlation exists between the excess pressure loss observed with viscoelastic fluids and the Weissenberg number.

On presente une grande quantite de nouvelles donnees de debit-perte de charge pour I'ecoulement rampant de solutions de polymeres viscoelastiques bien caracterisees dans des lits garnis de spheres de diverses tailles et garnis de spheres et de cylindres. II est etabli que le diamktre de surface moyen effectif est adequat pour les correlations de perte de charge dans I'koulement dans les lits garnis de tailles et de formes diverses. II existe une correlation distincte entre la perte de charge d'exces observee avec les fluides viscoelastiques et le nombre de Weissenberg.

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