Progress to the correlation of particle deposition velocity in turbulent pipe flow is presented. The developed model accounts for the Brownian diffusivity and inertia effects and is extended to cover the influence of the flow velocity by including Reynolds number in the correlation. The experimental data and previous proposed models are used in comparison of predicting particle deposition rate. It is shown that the new model of deposition velocity is in good agreement with the experimental data and numerical simulations. Further the aerodynamics has significant influence on the deposition rate and should be concerned when the process of particle migration and deposition is addressed. The deposition efficiency, the measurement tool of particle deposition rate in this work, increases with the increase of diameter for large particles, and with the decrease of diameter for submicron particles. Other factors addressed in this work are effects of particle to fluid density ratio, pipe diameter and the surface roughness. The results showed that increase in density ratio makes the deposition rate of submicron particles to increase too whereas no significant effects is noticed for large particles. Carrier pipe size is studied and the deposition rate curve shifts right with decreasing in pipe size. Finally, the deposition rate of particles is found to increase with increase in surface roughness.
| Published in |
International Journal of Sustainable and Green Energy (Volume 3, Issue 6-1)
This article belongs to the Special Issue Renewable Energy and Its Environmental Impaction |
| DOI | 10.11648/j.ijrse.s.2014030601.12 |
| Page(s) | 7-14 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2015. Published by Science Publishing Group |
Particle Deposition, Turbulent Flow, Brownian-Inertia Motion, Surface Roughness
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APA Style
Esam I. Jassim. (2015). Generalized Deposition Model of Tiny Solid Particle Immersed in Turbulent Flow. International Journal of Sustainable and Green Energy, 3(6-1), 7-14. https://doi.org/10.11648/j.ijrse.s.2014030601.12
ACS Style
Esam I. Jassim. Generalized Deposition Model of Tiny Solid Particle Immersed in Turbulent Flow. Int. J. Sustain. Green Energy 2015, 3(6-1), 7-14. doi: 10.11648/j.ijrse.s.2014030601.12
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Download@article{10.11648/j.ijrse.s.2014030601.12,
author = {Esam I. Jassim},
title = {Generalized Deposition Model of Tiny Solid Particle Immersed in Turbulent Flow},
journal = {International Journal of Sustainable and Green Energy},
volume = {3},
number = {6-1},
pages = {7-14},
doi = {10.11648/j.ijrse.s.2014030601.12},
url = {https://doi.org/10.11648/j.ijrse.s.2014030601.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijrse.s.2014030601.12},
abstract = {Progress to the correlation of particle deposition velocity in turbulent pipe flow is presented. The developed model accounts for the Brownian diffusivity and inertia effects and is extended to cover the influence of the flow velocity by including Reynolds number in the correlation. The experimental data and previous proposed models are used in comparison of predicting particle deposition rate. It is shown that the new model of deposition velocity is in good agreement with the experimental data and numerical simulations. Further the aerodynamics has significant influence on the deposition rate and should be concerned when the process of particle migration and deposition is addressed. The deposition efficiency, the measurement tool of particle deposition rate in this work, increases with the increase of diameter for large particles, and with the decrease of diameter for submicron particles. Other factors addressed in this work are effects of particle to fluid density ratio, pipe diameter and the surface roughness. The results showed that increase in density ratio makes the deposition rate of submicron particles to increase too whereas no significant effects is noticed for large particles. Carrier pipe size is studied and the deposition rate curve shifts right with decreasing in pipe size. Finally, the deposition rate of particles is found to increase with increase in surface roughness.},
year = {2015}
}
TY - JOUR T1 - Generalized Deposition Model of Tiny Solid Particle Immersed in Turbulent Flow AU - Esam I. Jassim Y1 - 2015/02/13 PY - 2015 N1 - https://doi.org/10.11648/j.ijrse.s.2014030601.12 DO - 10.11648/j.ijrse.s.2014030601.12 T2 - International Journal of Sustainable and Green Energy JF - International Journal of Sustainable and Green Energy JO - International Journal of Sustainable and Green Energy SP - 7 EP - 14 PB - Science Publishing Group SN - 2575-1549 UR - https://doi.org/10.11648/j.ijrse.s.2014030601.12 AB - Progress to the correlation of particle deposition velocity in turbulent pipe flow is presented. The developed model accounts for the Brownian diffusivity and inertia effects and is extended to cover the influence of the flow velocity by including Reynolds number in the correlation. The experimental data and previous proposed models are used in comparison of predicting particle deposition rate. It is shown that the new model of deposition velocity is in good agreement with the experimental data and numerical simulations. Further the aerodynamics has significant influence on the deposition rate and should be concerned when the process of particle migration and deposition is addressed. The deposition efficiency, the measurement tool of particle deposition rate in this work, increases with the increase of diameter for large particles, and with the decrease of diameter for submicron particles. Other factors addressed in this work are effects of particle to fluid density ratio, pipe diameter and the surface roughness. The results showed that increase in density ratio makes the deposition rate of submicron particles to increase too whereas no significant effects is noticed for large particles. Carrier pipe size is studied and the deposition rate curve shifts right with decreasing in pipe size. Finally, the deposition rate of particles is found to increase with increase in surface roughness. VL - 3 IS - 6-1 ER -
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