Mathematical modeling of premixed counterflow combustion of organic dust cloud |
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| Affiliation: | 1. School of Mechanical Engineering, Department of Energy Conversion, Combustion Research Laboratory, Iran University of Science and Technology (IUST), Tehran, Iran;2. CIENER/INEGI/Engineering Department, School of Science and Technology of University of UTAD, Quinta dos Prados, Vila Real, Portugal;3. Mechanical Engineering and Applied Mechanics Department, University of Pennsylvania, Philadelphia, PA, United States;4. C3i-Interdisciplinary Center for Research and Innovation, Polytechnic Institute of Portalegre, Lugar da Abadessa, Apartado 148, 7301-901, Portalegre, Portugal;5. Research School of Engineering, The Australian National University, Canberra, ACT 2601, Australia;1. Institute of Refrigeration and Cryogenics, Research Center of Solar Power and Refrigeration, M.O.E, Shanghai Jiao Tong University, Shanghai, China;2. Norwegian University of Science and Technology, Trondheim, Norway;1. Universidade Federal do ABC, UFABC, Santo André, Brazil;2. Universidade Federal da Bahia, UFBA, Salvador, Brazil;1. Center of Operations Research, Miguel Hernández University of Elche (UMH), Avd. de la Universidad s/n, 03202, Elche, Alicante, Spain;2. Industrial Electronics Group, Miguel Hernández University of Elche (UMH), Avd. de la Universidad s/n, 03202, Elche, Alicante, Spain;1. Department of Analytical Chemistry, Faculty of Chemistry, Urmia University, Urmia, Iran;2. Membrane Research Laboratory, Lorestan University, Khorramabad, P.O. Box 68137-17133, Iran;3. Department of Agricultural Machinery, Faculty of Agriculture, Urmia University, Urmia, Iran |
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| Abstract: | In the present study, a mathematical approach is utilized so as to modeling the flame structure of organic dust particle and air through a two-phase mixture consisting in a counterflow configuration where heat loss is taken into account. Lycopodium is considered as the organic fuel in our research. In order to simulate combustion of organic dust particles, a three-zone flame structure has been considered; preheat-vaporization zone, reaction and post flame zones. The variations of the gaseous phase mass fraction and fuel particle mass fraction as a function of the distance from the stagnation plate are obtained. Subsequently, flame temperature and flame velocity in terms of strain rate are studied. Finally, the effect of heat loss on the non-dimensionalized temperature at different heat loss coefficients is investigated. |
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| Keywords: | Counterflow combustion Organic dust cloud Mathematical modeling Flame structure Asymptotic solution Heat loss |
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