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Title: Numerical and experimental comparison of tracer particle and averaging techniques for particle velocities in a fluidized bed

Abstract

Particle tracking methods using emitted radiation show potential for following motion in opaque systems such as granular materials. Leading examples are Positron Emission Particle Tracking (PEPT) and Radioactive Particle Tracking (RPT). The application of such techniques sometimes requires the use of tracer particles which differ in size, density and/or shape from the particles of interest. This study investigates the extent to which such differences affect the result of the study by using the open source MFIX-DEM software to model particle motion in the travelling fluidized bed experiments. The results are compared with previously reported experimental studies using both PEPT and RPT. Consistent numerical results were obtained for both PEPT and RPT tracer particles. In determining averaged velocities using such techniques, there is a choice to be made between averaging velocities of particles crossing a virtual plane over a period of time (the “face-average” approach) or those passing through a defined volume over time (the “volume-average” approach). The differences between results obtained with these two methods are shown to be significant in this case, for both computation and experiment.

Authors:
ORCiD logo [1];  [2]; ORCiD logo [3];  [4];  [5];  [6];  [5];  [7];  [7];  [8];  [8]
  1. National Energy Technology Lab. (NETL), Morgantown, WV (United States); West Virginia Univ., Morgantown, WV (United States)
  2. National Energy Technology Lab. (NETL), Morgantown, WV (United States); AECOM, Morgantown, WV (United States); SABIC Global Corporate Research, Sugar Land, TX (United States)
  3. National Energy Technology Lab. (NETL), Morgantown, WV (United States)
  4. IFP Energies Nouvelles, Lyon (France)
  5. Ecole Polytechnique, Montreal, PQ (Canada)
  6. Univ. of Cape Town (South Africa)
  7. Univ. of Birmingham (United Kingdom)
  8. Univ. of British Columbia, Vancouver, BC (Canada)
Publication Date:
Research Org.:
National Energy Technology Lab. (NETL), Morgantown, WV (United States)
Sponsoring Org.:
USDOE Office of Fossil Energy (FE)
OSTI Identifier:
1532668
Grant/Contract Number:  
FE0004000
Resource Type:
Accepted Manuscript
Journal Name:
Chemical Engineering Science
Additional Journal Information:
Journal Volume: 195; Journal Issue: C; Journal ID: ISSN 0009-2509
Publisher:
Elsevier
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Fluidized bed; Particle tracking; Particle velocity; Numerical simulation

Citation Formats

Xu, Yupeng, Li, Tingwen, Lu, Liqiang, Tebianian, Sina, Chaouki, Jamal, Leadbeater, Thomas W., Jafari, Rouzben, Parker, David J., Seville, Jonathan, Ellis, Naoko, and Grace, John R. Numerical and experimental comparison of tracer particle and averaging techniques for particle velocities in a fluidized bed. United States: N. p., 2018. Web. doi:10.1016/j.ces.2018.09.034.
Xu, Yupeng, Li, Tingwen, Lu, Liqiang, Tebianian, Sina, Chaouki, Jamal, Leadbeater, Thomas W., Jafari, Rouzben, Parker, David J., Seville, Jonathan, Ellis, Naoko, & Grace, John R. Numerical and experimental comparison of tracer particle and averaging techniques for particle velocities in a fluidized bed. United States. doi:10.1016/j.ces.2018.09.034.
Xu, Yupeng, Li, Tingwen, Lu, Liqiang, Tebianian, Sina, Chaouki, Jamal, Leadbeater, Thomas W., Jafari, Rouzben, Parker, David J., Seville, Jonathan, Ellis, Naoko, and Grace, John R. Mon . "Numerical and experimental comparison of tracer particle and averaging techniques for particle velocities in a fluidized bed". United States. doi:10.1016/j.ces.2018.09.034. https://www.osti.gov/servlets/purl/1532668.
@article{osti_1532668,
title = {Numerical and experimental comparison of tracer particle and averaging techniques for particle velocities in a fluidized bed},
author = {Xu, Yupeng and Li, Tingwen and Lu, Liqiang and Tebianian, Sina and Chaouki, Jamal and Leadbeater, Thomas W. and Jafari, Rouzben and Parker, David J. and Seville, Jonathan and Ellis, Naoko and Grace, John R.},
abstractNote = {Particle tracking methods using emitted radiation show potential for following motion in opaque systems such as granular materials. Leading examples are Positron Emission Particle Tracking (PEPT) and Radioactive Particle Tracking (RPT). The application of such techniques sometimes requires the use of tracer particles which differ in size, density and/or shape from the particles of interest. This study investigates the extent to which such differences affect the result of the study by using the open source MFIX-DEM software to model particle motion in the travelling fluidized bed experiments. The results are compared with previously reported experimental studies using both PEPT and RPT. Consistent numerical results were obtained for both PEPT and RPT tracer particles. In determining averaged velocities using such techniques, there is a choice to be made between averaging velocities of particles crossing a virtual plane over a period of time (the “face-average” approach) or those passing through a defined volume over time (the “volume-average” approach). The differences between results obtained with these two methods are shown to be significant in this case, for both computation and experiment.},
doi = {10.1016/j.ces.2018.09.034},
journal = {Chemical Engineering Science},
number = C,
volume = 195,
place = {United States},
year = {2018},
month = {9}
}

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