Hydrodynamic modes of resuspension
- đ¤ Speaker: Dr Stuart B. Dalziel, GK Batchelor Laboratory & DAMTP
- đ Date & Time: Friday 02 June 2006, 11:00 - 12:00
- đ Venue: Open Plan Area, BP Institute, Madingley Rise CB3 0EZ
Abstract
In many scenarios, lifting relatively dense particles from a sediment bed is far more difficult than might be anticipated from the concentrations of small particles found in the atmosphere and marine environments. While the reasons for this difficulty are fairly well understood, until recently most studies of relatively fine dust particles in the atmospheric context have concentrated on the ballistic collisions of saltating ‘sand’ particles. This talk will explore some elements of fluid structure/particle bed interactions, with particular emphasis on the role of the wake behind other particles and the resuspension due to rain drops.
Series This talk is part of the Institute for Energy and Environmental Flows (IEEF) series.
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Friday 02 June 2006, 11:00-12:00