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Flow of granular material through an inclined, rotating cylinder fitted with a dam

✍ Scribed by D.M. Scott; J.F. Davidson; S.-Y. Lim; R.J. Spurling

Book ID
104088762
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
520 KB
Volume
182
Category
Article
ISSN
0032-5910

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✦ Synopsis

Experiments have been carried out to measure the profile of the depth of a bed of sand flowing at steady state through an inclined, rotating cylinder fitted with a dam. Results are given for cylindrical and conical dams fitted at the end of the cylinder, and for cylindrical and conical internal dams, fitted halfway along the cylinder. The results are compared to the model of Saeman and of Kramers and Croockewit; the agreement is good, showing that the model is a useful predictor for flow over dams as well as for flow through cylinders without dams. The results are relevant to industrial kilns, which often contain conical brickwork dams at the discharge end and part way along the kiln.

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Expressions are derived to calculate the limiting thickness of cohesive material which will flow down an inclined plane and the limiting span for flow of a cohesive material between inclined parallel walls. Flow will not occur in either case if the angle of inclination to the horizontal is less tha