Volume 3, Issue 2 (9-2013)                   JEM 2013, 3(2): 20-27 | Back to browse issues page

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Bidabadi M, Pourmohammad Y, Esmaeilnejad A. Effect of Porous on Premixed Co-Flow Organic Particles Cloud Combustion . JEM. 2013; 3 (2) :20-27
URL: http://energy.kashanu.ac.ir/article-1-71-en.html
Iran University of Science and Technology
Abstract:   (6317 Views)
Due to the increasing need for a more realistic analysis of flame, in this study, the premixed counter flow flames propagation in the uniform mixture of organic porous particles and air is studied. Because of size equality assumption of the porous particles, lycopodium particles at this research are assumed. This analysis framework is thermal-diffusion model with this assumption that the lewis number is unit and the strain rate is constant. Velocity profiles are intended as a function of x (distance from symmetry center).The structure of the flame is presumed to be consist of a preheat vaporization zone, a reaction zone and a convection zone. The Zeldovich number, based on the gas-phase oxidation of the gaseous fuel is large and the heat loss is neglected. This analysis consists of the results for the effect of different porosity on the flame temperature and flame location. The results are illustrating when porosity is increased, the accessible substance that yield a gaseous fuel is decreased and it will be cause to decreasing burning velocity. Also, flame location go to low burning velocity zone and the remaining solid fuel, that is not vaporized, increase in the flame location. This is match to the combustion governing physics and experimental results.
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Type of Study: Research | Subject: Mechanical Engineering
Received: 2012/11/30 | Revised: 2014/02/22 | Accepted: 2013/10/22 | Published: 2014/02/16

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