Particle deposition in circular pipes with variable bed height

Reynolds-averaged Navier-Stokes modelling of particle-laden turbulent flows is studied for circular pipes with simulated bed heights of 0, 0.25 and 0.5 of the pipe diameter. A Lagrangian particle tracking technique is used to predict the deposition of spherical particles with sizes ranging from 5-50...

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Bibliographic Details
Published in:Journal of physics. Conference series 2011-12, Vol.318 (5), p.052001-6
Main Authors: Adams, J F W, Fairweather, M, Yao, J
Format: Article
Language:English
Subjects:
Circularity
Deposition
Displacement
Flatbed
Mathematical models
Navier-Stokes equations
Particle deposition
Particle tracking
Physics
Pipe
Pipe flow
Reynolds averaged Navier-Stokes method
Secondary flow
Turbulent flow
Walls
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Summary:Reynolds-averaged Navier-Stokes modelling of particle-laden turbulent flows is studied for circular pipes with simulated bed heights of 0, 0.25 and 0.5 of the pipe diameter. A Lagrangian particle tracking technique is used to predict the deposition of spherical particles with sizes ranging from 5-500 μm. Secondary flows are observed to be present in the circular pipe flows with bed heights of 0.25 and 0.5. For the larger particles the presence of a stationary flat bed is found not to influence the deposition rate. For particles
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/318/5/052001