Numerical and Experimental Analysis on the Hydrodynamic Behaviors of Nanoparticle Agglomerates at Moderate Reynolds Numbers

Author(s):  
Shaowei Wang ◽  
Huanpeng Liu
2012 ◽  
Vol 560-561 ◽  
pp. 1165-1173
Author(s):  
Hui Li ◽  
Hui Yang

A mathematical model describing the transient hydrodynamic behaviours is introduced to predict the effect of magnetic field intensity and process parameters in magnetically stable fluidized beds (MSFBs). Computational fluid dynamics (CFD) code Fluent 6.2 has been used to investigate the hydrodynamics of a gas-solid MSFB operated with fine particles. The model is incorporated into simulations based on an Eulerian approach. In the simulations, the closure models describing the hydrodynamics of the solids phase are directly affected by the behavior of magnetic field intensity. The simulations are compared with experiments at different gas Reynolds numbers (ReG = uGdp/vG) and magnetic field intensity (Er = 3μ0MpH/2gdpρp). The agreement obtained between the simulation results and experimental data for local solid holdup is good at lower ReG and Er values.


2015 ◽  
Author(s):  
Aaron S. Richmond ◽  
Jared Becknell ◽  
Jeanne M. Slattery ◽  
Robin Morgan ◽  
Nathanael Mitchell

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