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Published in:
2021 | OriginalPaper | Chapter
Prediction of Particle Deposition Efficiency in a 90° Turbulent Bend Pipe Flow—A Numerical Study
Authors : Fatima Zahrae Erraghroughi, Kawtar Feddi, Anas El Maakoul, Abdellah Bah, Abdellatif Ben Abdellah
Published in: Proceedings of the 2nd International Conference on Electronic Engineering and Renewable Energy Systems
Publisher: Springer Singapore
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Abstract
In this study, the deposition efficiency of particles in a 90° circular bend pipe was investigated numerically. The turbulent flow was modeled by solving Reynolds Navier-stokes (RANS) equations and the deposition process was simulated based on the discrete phase model (DPM) in ANSYS Fluent©. Particle deposition behavior at a particle Stokes number over a range from 0.04 to 1.6 was investigated and validated against an experimental study from literature. Further, a parametric study varying the particle densities, bend orientation and curvature ratio was presented. A good agreement was found between the present model and the experimental work. The results demonstrate that changing neither particle densities nor the bend orientation has no influence on deposition efficiency, while increasing the bend curvature ratio increase the deposition of particles.