Evaluation of models for bubble-induced turbulence by DNS and utilization in two-fluid model computations of an industrial pilot-scale bubble column
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Research and Design"
DOI: 10.1016/j.cherd.2021.09.012
Abstract: Abstract This paper presents numerical studies on modeling of bubble induced turbulence at two significantly different scales. On the scale of a bubble swarm, direct numerical simulations are performed with a geometric volume-of-fluid method and… read more here.
Keywords: turbulence; model; scale bubble; bubble induced ... See more keywords
Bubble-induced turbulence modeling for vertical bubbly flows
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2017.08.075
Abstract: Abstract Eulerian two-fluid model (TFM) has been the workhorse for several applications involving vertical bubbly flows due to its computational efficiency especially when applied to large-scale systems. The constituent phases are treated as interpenetrating continuous… read more here.
Keywords: vertical bubbly; turbulence; bubbly flows; model ... See more keywords
Bubble-induced formation of new intermetallic compounds in an Al–Mn alloy during heating observed by synchrotron radiography
Sign Up to like & getrecommendations! Published in 2021 at "Materialia"
DOI: 10.1016/j.mtla.2020.100991
Abstract: ABSTRACT Formation of intermetallic compounds (IMCs) is observed for the first-time during heating of an Al-10 wt.% Mn alloy by synchrotron radiography. We reveal that such “abnormal” behavior is closely associated with coalescence of bubbles,… read more here.
Keywords: induced formation; synchrotron radiography; intermetallic compounds; formation ... See more keywords
A numerical study of the bubble induced pressure fluctuation in gas-fluidized beds
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DOI: 10.1016/j.powtec.2016.08.059
Abstract: Abstract Pressure fluctuation analysis has been widely accepted as an efficient way for bubble size estimation in fluidized beds since the local bubble induced pressure fluctuation, which is believed to be a function of bubble… read more here.
Keywords: pressure fluctuation; induced pressure; bubble induced; bubble size ... See more keywords
Bubble-induced convection and flow instability in liquid vessels
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2024.712
Abstract: Abstract Buoyancy-driven bubbly flows play pivotal roles in various scenarios, such as the oxygenation and mixing in the upper ocean and the reaction kinetics in chemical and bio-reactors. This work focuses on the convective flow… read more here.
Keywords: flow instability; instability liquid; convection flow; bubble induced ... See more keywords
The bubble-induced population dynamics of fermenting yeasts
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the Royal Society Interface"
DOI: 10.1098/rsif.2020.0735
Abstract: Bubble-induced transport is a ubiquitous natural and industrial phenomenon. In brewery, such transport occurs due to gas bubbles generated through anaerobic fermentation by yeasts. Two major kinds of fermentation viz. top (ale) and bottom (lager)… read more here.
Keywords: induced population; fermentation; population dynamics; bubble induced ... See more keywords
Kolmogorov Scaling in Bubble-Induced Turbulence.
Sign Up to like & getrecommendations! Published in 2025 at "Physical review letters"
DOI: 10.1103/v9mh-7pw1
Abstract: Experiments using 3D Lagrangian tracking are used to investigate Kolmogorov scaling below the bubble size in bubble-induced turbulence (BIT). Second- and third-order structure functions reveal approximate Kolmogorov scaling for homogeneous bubble swarms. A new scaling… read more here.
Keywords: size; induced turbulence; bubble induced; scaling bubble ... See more keywords