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Flow regimes and liquid mixing in a draft tube gas-liquid-solid fluidized bed

Authorized Users Only
1992
Authors
Vunjak-Novaković, Gordana
Jovanović, G.
Kundaković, Lj.
Obradović, Bojana
Article (Published version)
Metadata
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Abstract
Flow behavior of gas bubbles, liquid and particles, and mixing in the liquid phase were studied in draft and annulus of a draft tube gas-liquid-solid fluidized bed. The experimental unit was a 80mm ID × 1.5 m column with an 50mm ID internal draft tube. A 2-D unit of the same size and geometry was used to assess the local concentrations and velocities of liquid, particles and air bubbles. Fluid and particle dynamics in the draft and annular regions were analyzed using the drift-flux model extended to the 3- phase flow, and in terms of the effective buoyancy of solid particles. Liquid mixing was studied based on the tracer-response technique, using the model of axial dispersion.
Keywords:
axial dispersion / Draft-tube fluidized bed / liquid and particle motion / particle buoyancy.
Source:
Chemical Engineering Science, 1992, 47, 13-14, 3451-3458
Publisher:
  • Pergamon-Elsevier Science Ltd, Oxford

DOI: 10.1016/0009-2509(92)85057-I

ISSN: 0009-2509

PubMed:

Scopus: 2-s2.0-0026918498
[ Google Scholar ]
21
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/39
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Vunjak-Novaković, Gordana
AU  - Jovanović, G.
AU  - Kundaković, Lj.
AU  - Obradović, Bojana
PY  - 1992
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/39
AB  - Flow behavior of gas bubbles, liquid and particles, and mixing in the liquid phase were studied in draft and annulus of a draft tube gas-liquid-solid fluidized bed. The experimental unit was a 80mm ID × 1.5 m column with an 50mm ID internal draft tube. A 2-D unit of the same size and geometry was used to assess the local concentrations and velocities of liquid, particles and air bubbles. Fluid and particle dynamics in the draft and annular regions were analyzed using the drift-flux model extended to the 3- phase flow, and in terms of the effective buoyancy of solid particles. Liquid mixing was studied based on the tracer-response technique, using the model of axial dispersion.
PB  - Pergamon-Elsevier Science Ltd, Oxford
T2  - Chemical Engineering Science
T1  - Flow regimes and liquid mixing in a draft tube gas-liquid-solid fluidized bed
EP  - 3458
IS  - 13-14
SP  - 3451
VL  - 47
DO  - 10.1016/0009-2509(92)85057-I
UR  - conv_7470
ER  - 
@article{
author = "Vunjak-Novaković, Gordana and Jovanović, G. and Kundaković, Lj. and Obradović, Bojana",
year = "1992",
abstract = "Flow behavior of gas bubbles, liquid and particles, and mixing in the liquid phase were studied in draft and annulus of a draft tube gas-liquid-solid fluidized bed. The experimental unit was a 80mm ID × 1.5 m column with an 50mm ID internal draft tube. A 2-D unit of the same size and geometry was used to assess the local concentrations and velocities of liquid, particles and air bubbles. Fluid and particle dynamics in the draft and annular regions were analyzed using the drift-flux model extended to the 3- phase flow, and in terms of the effective buoyancy of solid particles. Liquid mixing was studied based on the tracer-response technique, using the model of axial dispersion.",
publisher = "Pergamon-Elsevier Science Ltd, Oxford",
journal = "Chemical Engineering Science",
title = "Flow regimes and liquid mixing in a draft tube gas-liquid-solid fluidized bed",
pages = "3458-3451",
number = "13-14",
volume = "47",
doi = "10.1016/0009-2509(92)85057-I",
url = "conv_7470"
}
Vunjak-Novaković, G., Jovanović, G., Kundaković, Lj.,& Obradović, B.. (1992). Flow regimes and liquid mixing in a draft tube gas-liquid-solid fluidized bed. in Chemical Engineering Science
Pergamon-Elsevier Science Ltd, Oxford., 47(13-14), 3451-3458.
https://doi.org/10.1016/0009-2509(92)85057-I
conv_7470
Vunjak-Novaković G, Jovanović G, Kundaković L, Obradović B. Flow regimes and liquid mixing in a draft tube gas-liquid-solid fluidized bed. in Chemical Engineering Science. 1992;47(13-14):3451-3458.
doi:10.1016/0009-2509(92)85057-I
conv_7470 .
Vunjak-Novaković, Gordana, Jovanović, G., Kundaković, Lj., Obradović, Bojana, "Flow regimes and liquid mixing in a draft tube gas-liquid-solid fluidized bed" in Chemical Engineering Science, 47, no. 13-14 (1992):3451-3458,
https://doi.org/10.1016/0009-2509(92)85057-I .,
conv_7470 .

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