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Improving The Capture Of Coarse Particles Using Bubble Clusters - Preprint 09-083
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Citation (Style = APA)
Ata, S. (2009). Improving The Capture Of Coarse Particles Using Bubble Clusters - Preprint 09-083.
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Reference Manager (RIS)
SpreadSheed (CSV)
Ata, S. (2009). Improving The Capture Of Coarse Particles Using Bubble Clusters - Preprint 09-083.
Citation Downloads
Reference Manager (RIS)
SpreadSheed (CSV)
Organization: Society for Mining, Metallurgy & Exploration
Pages: 4
Publication Date:
Jan 1, 2009
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Abstract
Abstract
| In the present study, we have investigated the conditions for the formation of bubble clusters and the effect of well-defined agitation on the stability of clusters. A specially designed cell was used in which bubble clusters could be formed at the surface of a porous block in a fluidized bed of relatively coarse hydrophobic silica particles. The clusters then rose through a flow field of known turbulent characteristics. The size of the clusters before and after passing through the turbulent zone were measured using a high speed camera. The influence of shear rate on the deformation of the bubble clusters was investigated. The results showed that the Kolmogarov microscale was much smaller than the maximum cluster size, suggesting that the breakage of the clusters was mainly due to interaction with clusters in the inertial convection sub-range. |
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