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Received November 17, 2009
Accepted June 30, 2010
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Premixed filtration combustion of micron and sub-micron particles in inert porous media: A theoretical analysis
Department of Mechanical Engineering, Combustion Research Laboratory, Iran University of Science and Technology, Narmak, Tehran 16844, Iran
Majid.Mafi@gmail.com
Korean Journal of Chemical Engineering, February 2011, 28(2), 461-469(9), 10.1007/s11814-010-0371-8
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Abstract
An analytical model for one-dimensional premixed filtration combustion of volatile fuel particles-air mixture is presented. It is presumed that fuel particles first vaporize and a gaseous fuel with definite chemical structure is formed, which is subsequently oxidized in the gas phase. Flame structure is considered in the three zones. In the preheating vaporization zone, the mixture is heated until it reaches ignition temperature. In the reaction zone, the combustible mixture burns and the post flame zone is occupied by the combustion products. The temperature and mass fraction profiles are obtained of gaseous fuel in these three zones at a semi-infinite inert porous media. Thereafter, the effects of various parameters such as gas velocity, porosity, fuel particles diameter, number density of fuel particles, and heat of chemical reaction on the temperature and mass fraction profiles are investigated.
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Kayal TK, Chakravarty M, Int. J. Heat Mass Transf., 48(2), 331 (2005)
Zhdanok SA, Kennedy LA, Koester G, Combust. Flame., 100, 221 (1997)
Kennedy LA, Bingue JP, Saveliev A, Fridman AA, Foutko SI, Proc. Combust. Inst., 28, 1431 (2000)
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Hoffmann JG, Echigo R, Yoshida H, Tada S, Combust. Flame, 111(1-2), 32 (1997)
Yoshizawa Y, Sasaki K, Echigo R, Int. J. Heat Mass Transfer., 31, 3119 (1998)
Foutko SI, S. I. Shabunya and S.A. Zhdanok, Twenty-Sixth Symposium (Int.) on Combustion, The Combustion Institute, Naples, Italy (1996)
Bubnovich VI, Zhdanok SA, Dobrego KV, Int. J. Heat Mass Transf., 49(15-16), 2578 (2006)
Bubnovich V, Toledo M, Appl. Therm. Eng., 27(7), 1144 (2007)
Mendes MAA, Pereira JMC, Pereira JCF, Combust. Flame, 153(4), 525 (2008)
Kamal MM, Mohamad AA, Proc. ImechE Part A: J. Power Energy., 220, 487 (2006)
Abdul Mujeebu M, Abdullah MZ, Abu Bakar MZ, Mohamad AA, Muhad RMN, Abdullah MK, J. Environ. Manage., 90, 2287 (2009)
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Becker AV, Polianczyk EV, Volkova NN, Manelis GB, Theor. Found. Chem. Eng., 38(5), 510 (2004)
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Futko SI, Combust. Explosion Shock Waves., 39(2), 130 (2003)
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Contarin F, Saveliev AV, Fridman AA, Kennedy LA, Int. J. Heat Mass Transf., 46(6), 949 (2003)
Kreyszig E, Advanced engineering mathematics, 9th Ed., John Wiley & Sons, Inc. (2006)
Smoot LD, Smith PJ, Coal combustion and gasification, Plenum, New York (1985)
