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Coarse Grained Particle Flow in Circular Pipe

[+] Author Affiliations
Pavel Vlasák, Zdeněk Chára, Bohuš Kysela, Jiří Konfršt

Academy of Sciences of Czech Republic, Prague, Czech Republic

Paper No. FEDSM2013-16452, pp. V01CT20A011; 6 pages
doi:10.1115/FEDSM2013-16452
From:
  • 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

abstract

Flow behavior of coarse-grained slurry depends on particle size, shape, density and concentration. The understanding of the slurry flow behavior makes possible to optimize energy requirements, to improve quality, safety, economy and reliability of transport and/or processing of the transported material. The present paper describes the results of an experimental investigation of model coarse-grained fully stratified particle-water mixtures in a re-circulation pipe loop with smooth stainless steel pipes. Washed graded pebble gravel and glass balls were used as model coarse-grained materials. The effect of slurry velocity and particle concentration on the slurry flow behavior in the turbulent regime was evaluated in horizontal pipe. Particle distribution in the pipe cross-section and motion of particles along the pipe invert and particle conveying in the carrier liquid were investigated in a transparent pipe viewing section and local velocities of the carrier liquid and conveyed particles were determined.

Copyright © 2013 by ASME
Topics: Particle flow , Pipes

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