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Flow Regime Identification in a Slurry Bubble Column from Gas Holdup and Pressure Fluctuations Analysis
Author(s) -
Barghi S,
Prakash A,
Margaritis A,
Bergougnou M. A.
Publication year - 2004
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450820501
Subject(s) - distributor , bubble , slurry , mechanics , flow (mathematics) , materials science , thermodynamics , physics , composite material
Analysis of gas holdups and pressure fluctuations are conducted in a slurry bubble column to study changes in flow regimes and comparisons are made with solid‐free bubble column. The pressure fluctuations are measured by fast response pressure transducers mounted on the column wall in the distributor and bulk regions. Air, tap water and 35 micron glass beads are used as the gas, liquid and solid phases respectively. Statistical analysis of pressure fluctuation data combined with gas holdup analysis provided information about flow regime transition and interesting insights into bubble size distributions and changes in flow structure.