Journal
POWDER TECHNOLOGY
Volume 360, Issue -, Pages 141-150Publisher
ELSEVIER
DOI: 10.1016/j.powtec.2019.09.084
Keywords
Particle deposition; Lagrangian approach; Eulerian approach; Fouling; Turbulent flows
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Funding
- National Natural Science Foundation of China [51476025]
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The present study compares the Lagrangian and Eulerian approaches under the same operating conditions with an emphasis on their performance in predicting particle deposition in turbulent flows. In the study, for small particles (d(p) < 5 mu m), the results of the two approaches were not in satisfactory accordance with each other, and the results obtained using the Eulerian approach look more reasonable than those obtained using the Lagrangian approach. For large particles (d(p) > 9 mu m), the results obtained using the two approaches gradually converge and agree well with the experimental results at 16 mu m. For the same investigation, the Eulerian approach requires less computational time than the Lagrangian approach, that is, the Eulerian approach has less computational cost. Furthermore, the total fouling mass calculated using both approaches exhibits asymptotic properties, and can predict the total fouling mass. However, the total fouling mass calculated using the Eulerian approach is closer to the experimental curve. (C) 2019 Elsevier B.V. All rights reserved.
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