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Measurement of particle velocities and associated stresses on immersed surfaces in fluidized beds

Rathbone, RR, Ghadiri, M and Clift, R (1989) Measurement of particle velocities and associated stresses on immersed surfaces in fluidized beds

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Abstract

To diagnose the processes causing metal wastage from immersed surfaces in fluidized beds, a miniaturized probe was developed for simultaneous measurement of the transient normal and tangential components of particle velocity and stress against a surface. In a two-dimensional bed, high shear stresses are generated by oblique impact of particles in bubble wakes. The associated particle velocities correspond closely with estimates from video records, and are consistent with current understanding of particle motion in fluidized beds. Taken together, the results suggest that metal wastage results from a combination of impact and abrasion. (A)

Item Type: Article
Authors :
NameEmailORCID
Rathbone, RRUNSPECIFIEDUNSPECIFIED
Ghadiri, MUNSPECIFIEDUNSPECIFIED
Clift, Rr.clift@surrey.ac.ukUNSPECIFIED
Date : 1 January 1989
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 12:10
Last Modified : 17 May 2017 15:02
URI: http://epubs.surrey.ac.uk/id/eprint/834323

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