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Governing Friction Loss Mechanisms and the Importance of Off-Line Characterization Tests in the Pipeline Transport of Dense Coarse-Particle Slurries

[+] Author Affiliations
Ryan Spelay, Seyed Abdolreza Hashemi, Randall G. Gillies

Saskatchewan Research Council, Saskatoon, SK, Canada

Rajesh Hegde, R. Sean Sanders

University of Alberta, Edmonton, AB, Canada

Daniel G. Gillies

Paterson & Cooke USA, Ltd., Denver, CO

Paper No. FEDSM2013-16464, pp. V01CT20A013; 7 pages
  • ASME 2013 Fluids Engineering Division Summer Meeting
  • Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Liquid-Solids Flows; Multiscale Methods for Multiphase Flow; Noninvasive Measurements in Single and Multiphase Flows; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes; Transport Phenomena in Mixing; Turbulent Flows: Issues and Perspectives
  • Incline Village, Nevada, USA, July 7–11, 2013
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-5556-0
  • Copyright © 2013 by ASME


For more than 20 years, the Saskatchewan Research Council’s PipeFlow model has been used by companies across the globe to predict pressure losses and minimum operating velocities (‘deposition velocities’) for the pipeline transport of heterogeneous (settling) slurries. The success of this semi-mechanistic, phenomenological model comes from the fact that the friction loss contributions of the dispersed, coarse particle phase are accounted for in a physically meaningful way. The focus of this study is on the need to make accurate off-line slurry characterization measurements to obtain accurate predictions of slurry flow behavior. The results of a number of slurry pipeline tests conducted under controlled conditions are presented. These results clearly demonstrate that, in addition to accurate measurements of particle size distribution and density, proper characterization of the following parameters is also critical: carrier fluid viscosity, settled bed coarse particle concentration, particle drag coefficient / particle terminal settling velocity, and the coefficient of friction between the particles and the pipe wall.

Copyright © 2013 by ASME



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