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The measurement of powder flow properties with a mechanically stirred aerated bed

This paper stems from original work in particle technology sponsored by EPSRC-BP Chemicals on the rheology of fine aerated powders (gb.smith@btinternet.com); work in collaboration with the University of Salerno-Italy. Previous work (two papers) presented a novel methodology for testing powder flow by linking measurements in a mechanically stirred aerated bed (UCL) with data from shear testers (Salerno). We present here an innovative model to predict powder flow properties at low consolidation levels. This work led to obtain funding from Dow Corning (marc.thibaut@dowcorning.com) for a PhD Studentship to study the fluidization of industrial cohesive powders linked with rheological studies.