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RESEARCH PAPERS

Concentration Fluctuation Spectra in Turbulent Slurry Pipeline Flow

[+] Author and Article Information
R. J. Sumner, C. A. Shook

Department of Chemical Engineering, University of Saskatchewan, Saskatoon, SK Canada, S7N 0W0

M. C. Roco

Department of Mechanical Engineering, University of Kentucky, Lexington, KY 40506

J. Fluids Eng 111(3), 317-323 (Sep 01, 1989) (7 pages) doi:10.1115/1.3243646 History: Received March 20, 1988; Online October 26, 2009

Abstract

Using probes responding to changes of slurry electrical resistance with concentration, time spectra of longitudinal concentration fluctuations in turbulent slurry flows have been measured. The sensors, with an effective domain approximately 1 mm in diameter, showed the spectra to be relatively insensitive to location within the pipe cross section. High frequency spectra were found to be relatively insensitive to slurry concentration and particle diameter. Low frequency spectra showed fluctuation amplitudes which increased with solids concentration.

Copyright © 1989 by ASME
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