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Granular Pressure Measurement in Fluidized Beds

Kumar, S. and Hart, D. P. and Brennen, C. E. (1990) Granular Pressure Measurement in Fluidized Beds. In: Cavitation and multiphase flow forum, 1990 : presented at the 1990 Spring Meeting of the Fluids Engineering Division held in conjunction with the 1990 Forum of the Canadian Society of Mechanical Engineers, University of Toronto, Toronto, Ontario, Canada. Fluids Engineering Division. Vol.FED-98. No.98. American Society of Mechanical Engineers , New York, pp. 1-5. ISBN 079180495X http://resolver.caltech.edu/CaltechAUTHORS:KUMasmecmff90

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Abstract

Experiments were carried out to measure the additional pressure, called the granular pressure, which is exerted on the containing wall of a fluidized bed due to particle collisions with that wall. Measurements were made for water fluidized beds using glass beads of 1.3mm and 3mm diameter, lead shot of 2.1mm diameter and plastic particles. The granular pressure was observed to increase to a maximum and then decrease to zero as the solid fraction of the bed was reduced. The magnitude of the granular pressure was much larger than the values expected on the basis of previous experiments.


Item Type:Book Section
Additional Information:Acknowledgements The authors are grateful to Steven Ceccio and Professors Rolf Sabersky, Stuart Savage and Charles Campbell for helpful discussions and suggestions. We would also like to acknowledge the support of Union Carbide who have generously supported research in fluidized beds and granular material flows.
Record Number:CaltechAUTHORS:KUMasmecmff90
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:KUMasmecmff90
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:216
Collection:CaltechAUTHORS
Deposited By: Christopher Brennen
Deposited On:13 Dec 2004
Last Modified:26 Dec 2012 08:39

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