Effect of granular temperature and solid concentration fluctuation on the gas-solid drag force: A CFD test
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2017.04.031
Abstract: Abstract Recent studies have shown that the expanded bed heights of bubbling fluidized beds obtained from direct numerical simulations (DNS) are higher than those obtained from CFD-DEM method. In this study, we show that the… read more here.
Keywords: granular temperature; solid concentration; concentration fluctuation; drag force ... See more keywords
Kinetic granular temperature and its measurement using speckle visibility spectroscopy
Sign Up to like & getrecommendations! Published in 2020 at "Particuology"
DOI: 10.1016/j.partic.2018.07.011
Abstract: Abstract The occurrence of a mesoscopic scale in granular materials leads to a sharp increase in the number of interaction processes at both intra- and inter-scale levels. The mesoscopic scale is the main source of… read more here.
Keywords: spectroscopy; visibility spectroscopy; granular temperature; measurement ... See more keywords
Effects of granular temperature on inter-phase drag in gas-solid flows
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DOI: 10.1016/j.powtec.2017.08.035
Abstract: Abstract Direct numerical simulations with a second-order immersed boundary-lattice Boltzmann method are used to investigate the effect of particle fluctuation on flows in fixed random arrays of spheres at low and moderate particle Reynolds numbers.… read more here.
Keywords: reynolds number; granular temperature; temperature; particle reynolds ... See more keywords
Comparison of granular temperature measured by SVS and DEM in the rotating cylinder
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DOI: 10.1016/j.powtec.2020.11.073
Abstract: Abstract The granular temperature is usually regarded as the unsteady velocity component when particles move in disorder. This property has been applied to model a wide range of phenomena. To more accurately measure the granular… read more here.
Keywords: granular temperature; temperature; rotating cylinder; temperature measured ... See more keywords