A predictive model for the pressure drop in a slurry flow above a stationary bed was presented at the last Liquid-Solid Flow Symposium in 2007. Since then the model has been further refined and validated using experimental data from the tests performed at the Institute of Hydrodynamics ASCR and from the literature. The new version of the model enables to choose a set of appropriate equations in order to predict the hydraulic gradient (the frictional pressure drop) and the thickness of the stationary bed for pipe flows of various average velocities of slurry and delivered concentrations of solids. The paper describes the structure and components of the model and discusses model predictive abilities by comparing model predictions with the new experimental data gained for slurries of two different fractions of sand (respectively fine to medium and medium sands) at various velocities and solids concentrations in a 100-mm pipe.
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ASME 2009 Fluids Engineering Division Summer Meeting
August 2–6, 2009
Vail, Colorado, USA
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-4372-7
PROCEEDINGS PAPER
Liquid-Solid Flows Above Deposit in Pipe: Prediction of Hydraulic Gradient and Deposit Thickness
Va´clav Matousˇek,
Va´clav Matousˇek
Academy of Sciences of Czech Republic, Prague, Czech Republic
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Jan Krupicˇka
Jan Krupicˇka
Academy of Sciences of Czech Republic, Prague, Czech Republic
Search for other works by this author on:
Va´clav Matousˇek
Academy of Sciences of Czech Republic, Prague, Czech Republic
Jan Krupicˇka
Academy of Sciences of Czech Republic, Prague, Czech Republic
Paper No:
FEDSM2009-78125, pp. 579-584; 6 pages
Published Online:
July 26, 2010
Citation
Matousˇek, V, & Krupicˇka, J. "Liquid-Solid Flows Above Deposit in Pipe: Prediction of Hydraulic Gradient and Deposit Thickness." Proceedings of the ASME 2009 Fluids Engineering Division Summer Meeting. Volume 1: Symposia, Parts A, B and C. Vail, Colorado, USA. August 2–6, 2009. pp. 579-584. ASME. https://doi.org/10.1115/FEDSM2009-78125
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