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A novel method for determining the particle density of porous aeratable powders

Authors
Journal
Powder Technology
0032-5910
Publisher
Elsevier
Publication Date
Volume
58
Issue
4
Identifiers
DOI: 10.1016/0032-5910(89)80050-6

Abstract

Abstract A new method by which to determine the particle density of porous aeratable powders has been developed. It depends on measuring the expansion of a gas-fluidized bed of the powder in the region of gas velocity between the points of minimum fluidization and minimum bubbling and applying the Richardson-Zaki equation to the measurements. Excellent agreement is found between the results of the new method and those obtained by other, generally less convenient, techniques.

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