Reference : The effect of liquid bridge model details on the dynamics of wet fluidized beds
Scientific journals : Article
Engineering, computing & technology : Chemical engineering
Engineering, computing & technology : Mechanical engineering
Computational Sciences
http://hdl.handle.net/10993/34600
The effect of liquid bridge model details on the dynamics of wet fluidized beds
English
Wu, Mingqiu mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Khinast, Johannes [Graz University of Technology > Institute of Process and Particle Engineering]
Radl, Stefan [Graz University of Technology > Institute of Process and Particle Engineering]
3-Jan-2018
AIChE Journal
John Wiley & Sons, Inc
64
2
437-456
Yes (verified by ORBilu)
International
0001-1541
1547-5905
Hoboken
NJ
[en] Fluidization ; CFD-DEM ; Liquid bridge
[en] Wet fluidized beds of particles in small periodic domains are simulated using the CFD-DEM approach. A liquid bridge is formed upon particle-particle collisions, which then ruptures when the particle separation exceeds a critical distance. The simulations take into account both surface tension and viscous forces due to the liquid bridge. We perform a series of simulations based on different liquid bridge formation models: (1) the static bridge model of Shi and McCarthy, (2) a simple static version of the model of Wu et al., as well as (3) the full dynamic bridge model of Wu et al. We systematically compare the differences caused by different liquid bridge formation models, as well as their sensitivity to system parameters. Finally, we provide recommendations for which systems a dynamic liquid bridge model must be used, and for which application this appears to be less important
FWF
Researchers ; Professionals ; Students
http://hdl.handle.net/10993/34600
10.1002/aic.15947

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