Performance and Flowrate Control of the Kinetic Extruder Coal Powder Pump

[+] Author and Article Information
J. W. Meyer, J. H. Bonin

Applied Mechanics Laboratory, Lockheed Palo Alto Research Laboratory, Palo Alto, CA 94304

J. Eng. Gas Turbines Power 107(3), 652-660 (Jul 01, 1985) (9 pages) doi:10.1115/1.3239785 History: Received April 01, 1984; Online October 15, 2009


The kinetic extruder is a novel centrifugal machine for feeding powdered material, in particular coal, against gas back pressure. The nonmechanical method of flow-rate control in the machine is described. Performance data obtained in tests of the kinetic extruder are presented and compared with theoretical predictions. It is found that a one-dimensional model of the material flow through the device gives accurate predictions of most aspects of the machine’s performance. However, some details of the limiting behavior evidently require a more refined analysis.

Copyright © 1985 by ASME
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