Journal
INTERNATIONAL JOURNAL OF MINERAL PROCESSING
Volume 153, Issue -, Pages 60-65Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.minpro.2016.06.002
Keywords
Sedimentation; Particle settling velocity; Power law fluids, particle image shadowgraphy
Funding
- Natural Sciences and Engineering Research Council of Canada [NSERC RGPAS 411966 KURU, NSERC RGPIN 238623 KURU]
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In this study, a new experimental technique, particle image shadowgraphy, is used to measure the settling velocities of spherical.particles (0.5 mm-2.0 mm) in Power-law fluids of variable viscosity and density. Different concentrations of CMC-water mixtures (0.14-0.28 wt%) are used as test fluids for the experiments. A new empirical equation, which is an improved version of the Shah et al. (2007) model; for predicting the settling velocity of a spherical particle in Power-law fluid is proposed. The new empirical model is found to give an average error of 10% in predicting the settling velocity. (C) 2016 Elsevier B.V. All rights reserved.
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