The main aim of this research is focused on determining the velocity and particle density profiles across the flame propagation of microlycopodium dust particles. In this model, it is tried to incorporate the forces acting on the particles such as thermophoretic, gravitational, and buoyancy in the Lagrangian equation of motion. For this purpose, it is considered that the flame structure has four zones (i.e., preheat, vaporization, reaction, and postflame zones) and the temperature profile, as the unknown parameter in the thermophoretic force, is extracted from this model. Consequently, employing the Lagrangian equation with the known elements results in the velocity distribution versus the forefront of the combustion region. Satisfactory agreement is achieved between the present model and previously published experiments. It is concluded that the maximum particle concentration and velocity are gained on the flame front with the gradual decrease in the distance away from this location.
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January 2017
Research-Article
Theoretical Investigation of Particle Behavior on Flame Propagation in Lycopodium Dust Cloud
Alireza Rahbari,
Alireza Rahbari
Department of Mechanical Engineering,
Shahid Rajaee Teacher Training
University (SRTTU),
Tehran 1678815811, Iran;
Shahid Rajaee Teacher Training
University (SRTTU),
Tehran 1678815811, Iran;
Research School of Engineering,
The Australian National University,
Canberra, ACT 2601, Australia
e-mails: ar.rahbari@gmail.com;
alireza.rahbari@anu.edu.au
The Australian National University,
Canberra, ACT 2601, Australia
e-mails: ar.rahbari@gmail.com;
alireza.rahbari@anu.edu.au
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Kau-Fui Wong,
Kau-Fui Wong
Life Fellow ASME
Department of Mechanical and
Aerospace Engineering,
University of Miami,
Coral Gables, FL 33146
e-mail: kwong@miami.edu
Department of Mechanical and
Aerospace Engineering,
University of Miami,
Coral Gables, FL 33146
e-mail: kwong@miami.edu
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Moslem Akbari Vakilabadi,
Moslem Akbari Vakilabadi
Combustion Research Laboratory,
Department of Energy Conversion,
School of Mechanical Engineering,
Iran University of Science and
Technology (IUST),
Tehran 1684613114, Iran
e-mail: moslem_akbari@mecheng.iust.ac.ir
Department of Energy Conversion,
School of Mechanical Engineering,
Iran University of Science and
Technology (IUST),
Tehran 1684613114, Iran
e-mail: moslem_akbari@mecheng.iust.ac.ir
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Alireza Khoeini Poorfar,
Alireza Khoeini Poorfar
Combustion Research Laboratory,
Department of Energy Conversion,
School of Mechanical Engineering,
Iran University of Science and
Technology (IUST),
Tehran 1684613114, Iran
e-mail: alirezapoorfar@iust.ac.ir
Department of Energy Conversion,
School of Mechanical Engineering,
Iran University of Science and
Technology (IUST),
Tehran 1684613114, Iran
e-mail: alirezapoorfar@iust.ac.ir
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Abolfazl Afzalabadi
Abolfazl Afzalabadi
Combustion Research Laboratory,
Department of Energy Conversion,
School of Mechanical Engineering,
Iran University of Science and
Technology (IUST),
Tehran 1684613114, Iran
e-mail: a_afzlabadi@mecheng.iust.ac.ir
Department of Energy Conversion,
School of Mechanical Engineering,
Iran University of Science and
Technology (IUST),
Tehran 1684613114, Iran
e-mail: a_afzlabadi@mecheng.iust.ac.ir
Search for other works by this author on:
Alireza Rahbari
Department of Mechanical Engineering,
Shahid Rajaee Teacher Training
University (SRTTU),
Tehran 1678815811, Iran;
Shahid Rajaee Teacher Training
University (SRTTU),
Tehran 1678815811, Iran;
Research School of Engineering,
The Australian National University,
Canberra, ACT 2601, Australia
e-mails: ar.rahbari@gmail.com;
alireza.rahbari@anu.edu.au
The Australian National University,
Canberra, ACT 2601, Australia
e-mails: ar.rahbari@gmail.com;
alireza.rahbari@anu.edu.au
Kau-Fui Wong
Life Fellow ASME
Department of Mechanical and
Aerospace Engineering,
University of Miami,
Coral Gables, FL 33146
e-mail: kwong@miami.edu
Department of Mechanical and
Aerospace Engineering,
University of Miami,
Coral Gables, FL 33146
e-mail: kwong@miami.edu
Moslem Akbari Vakilabadi
Combustion Research Laboratory,
Department of Energy Conversion,
School of Mechanical Engineering,
Iran University of Science and
Technology (IUST),
Tehran 1684613114, Iran
e-mail: moslem_akbari@mecheng.iust.ac.ir
Department of Energy Conversion,
School of Mechanical Engineering,
Iran University of Science and
Technology (IUST),
Tehran 1684613114, Iran
e-mail: moslem_akbari@mecheng.iust.ac.ir
Alireza Khoeini Poorfar
Combustion Research Laboratory,
Department of Energy Conversion,
School of Mechanical Engineering,
Iran University of Science and
Technology (IUST),
Tehran 1684613114, Iran
e-mail: alirezapoorfar@iust.ac.ir
Department of Energy Conversion,
School of Mechanical Engineering,
Iran University of Science and
Technology (IUST),
Tehran 1684613114, Iran
e-mail: alirezapoorfar@iust.ac.ir
Abolfazl Afzalabadi
Combustion Research Laboratory,
Department of Energy Conversion,
School of Mechanical Engineering,
Iran University of Science and
Technology (IUST),
Tehran 1684613114, Iran
e-mail: a_afzlabadi@mecheng.iust.ac.ir
Department of Energy Conversion,
School of Mechanical Engineering,
Iran University of Science and
Technology (IUST),
Tehran 1684613114, Iran
e-mail: a_afzlabadi@mecheng.iust.ac.ir
1Corresponding author.
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received February 9, 2016; final manuscript received May 30, 2016; published online June 27, 2016. Assoc. Editor: Antonio J. Bula.
J. Energy Resour. Technol. Jan 2017, 139(1): 012202 (7 pages)
Published Online: June 27, 2016
Article history
Received:
February 9, 2016
Revised:
May 30, 2016
Citation
Rahbari, A., Wong, K., Vakilabadi, M. A., Poorfar, A. K., and Afzalabadi, A. (June 27, 2016). "Theoretical Investigation of Particle Behavior on Flame Propagation in Lycopodium Dust Cloud." ASME. J. Energy Resour. Technol. January 2017; 139(1): 012202. https://doi.org/10.1115/1.4033862
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