Numerical simulation of local bubble size distribution in bubble columns operated at heterogeneous regime
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2020.116266
Abstract: Abstract This work investigates the effect of lift force, turbulent dispersion force, bubble breakup models, bubble coalescence models, and the parameters in the class method for solving PBEs on the simulated local bubble size distribution… read more here.
Keywords: local bubble; size distribution; bubble columns; bubble diameter ... See more keywords
Monitoring of the bubble columns hydrodynamics by recurrence quantification data analysis
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Research and Design"
DOI: 10.1016/j.cherd.2021.05.002
Abstract: Abstract Hydrodynamics of bubble column in the presence of different collectors was investigated by recurrence quantification analysis (RQA). By measuring the local pressure fluctuations of the gas-liquid bubble column by a piezo-resistive sensor and transforming… read more here.
Keywords: hydrodynamics; bubble columns; recurrence; bubble column ... See more keywords
Buoyancy-driven bubbly flows: role of meso-scale structures on the relative motion between phases in bubble columns operated in the heterogeneous regime
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2023.259
Abstract: Abstract The hydrodynamics of bubble columns in the heterogeneous regime is investigated from experiments with bubbles at large particle Reynolds numbers and without coalescence. The void fraction field $\varepsilon$ at small scales, analysed with Voronoï… read more here.
Keywords: bubble columns; meso scale; velocity; heterogeneous regime ... See more keywords
Prediction of Small Bubble Holdups in Bubble Columns Operated with Various Organic Liquids at Both Ambient and Elevated Pressures and Temperatures
Sign Up to like & getrecommendations! Published in 2023 at "Fluids"
DOI: 10.3390/fluids8060163
Abstract: This article focuses on the prediction of the small bubble holdups (assuming the existence of two major bubble classes) in two bubble columns (0.289 m in ID and 0.102 m in ID), operated with organic… read more here.
Keywords: bubble columns; gas; prediction small; small bubble ... See more keywords