Publisher DOI: 10.1016/j.powtec.2018.01.048
Title: Influence of gas inflow modelling on CFD-DEM simulations of three-dimensional prismatic spouted beds
Language: English
Authors: Kieckhefen, Paul  
Pietsch, Swantje  
Höfert, Moritz 
Schönherr, Michael 
Heinrich, Stefan 
Kleine Jäger, Frank 
Issue Date: 15-Apr-2018
Source: Powder Technology (329): 167-180 (2018-04-15)
Journal or Series Name: Powder technology 
Abstract (english): In this contribution, coupled CFD-DEM simulations of a three-dimensional prismatic spouted bed with two tangential, parallel gas inlets are presented. Contact model parameters were calibrated. Simulations with different inlet conditions were performed, whereby an additional degree of freedom by merging the two inlets was found to match the experimentally observed bed behavior. Additionally, it was shown that the inlet slit pressure drop has an important influence on spouting stability. By adjusting the inlet conditions, calibrating the particle interaction model parameters and applying fluid-coarsening correction of the Beetstra drag model, an experimentally validated model was obtained.
ISSN: 0032-5910
Institute: Feststoffverfahrenstechnik und Partikeltechnologie V-3 
Type: (wissenschaftlicher) Artikel
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