Tuesday, 25 April 2006: 1:00 PM-3:00 PM
Oceanic 4 (Dolphin Hotel)

Particulate Handling/Processing and Granular Systems (TWc)

#122 - Slow-Shearing Moving/Packed Bed Flows II (TWC21)
The main thrust of this session is the study of slow moving (shearing) flows of dry powders where friction between particles is the main interaction and where the presence of any fluid (including air) can be neglected. Both a continuum and a granular-type approach will be presented: all integrated into a general framework of flow-regimes in powder mechanics. Flow in hoppers, bins, mixers and simple shearing flows will all be considered.
Chair:Michael Gentzler
CoChair:Gabriel Tardos
1:00 PM122aDiscrete Element Simulations of Floor Pressure Due to Granular Material in a Cylindrical Vessel
Shawn A. Chester, Anthony D. Rosato, Otis R. Walton
1:20 PM122bConduction Heat Transfer and the Flow of Granular Materials due to Shear
Mehrdad Massoudi, Phuoc X. Tran
1:40 PM122cMeasurement of velocity and density profiles within discharging conical hoppers by NMR imaging
Michael Gentzler, Gabriel Tardos
2:00 PM122dGranular Flow through an Orifice – Effect of Granule Size and Shape Distributions
Paul Mort, Robert Behringer, John Wambaugh, Ken Mckenzie
2:20 PM122eDynamic Mechanisms of a Vibration Bed under Weakly Excitation
Chi Hwang Tai, Shu San Hsiau, Ta Ching Huang
2:40 PM122fNumerical Simulations of Flow Patterns in a Moving Granular Filter Bed with an Asymmetric Louvered-Wall and Obstacles
Chuen-Shii Chou, Ang-Fen Lee

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