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Journal of Applied Sciences and Environmental Management
World Bank assisted National Agricultural Research Project (NARP) - University of Port Harcourt
ISSN: 1119-8362
Vol. 21, No. 5, 2017, pp. 937-943
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Bioline Code: ja17105
Full paper language: English
Document type: Research Article
Document available free of charge
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Journal of Applied Sciences and Environmental Management, Vol. 21, No. 5, 2017, pp. 937-943
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Modeling and Analytical Simulation of High-Temperature Gas Filtration Combustion
IBRAHIM, M; OLAYIWOLA, RO; COLE, AT; SHEHU, MD & MUHAMMAD, KM
Abstract
High temperature filtration in combustion and gasification processes is a highly interdisciplinary
field. Thus, particle technology in general has to be supported by elements of physics, chemistry, thermodynamics
and heat and mass transfer processes. Presented in this paper is the analytical method for describing hightemperature
gas filtration combustion in an inert porous medium. We assume the porous media is highly permeable
and both the contact time between the phases and the rate of oxidizer diffusion through the gas stream to the surface
of the solid particles where the reaction occurs are not large. Also, we assume that the initial temperatures increase
lengthwise. The coupled nonlinear partial differential equations describing the phenomenon have been decoupled
using the parameter-expanding method and solved analytically using eigenfunctions expansion technique. The results
obtained revealed that the combustion wave is propagated and oxidizer is consumed. A self-oscillating mode of gas
filtration combustion was found with variation in the values of interfacial heat transfer.
Keywords
Analytical method; filtration combustion; fuel; oxidizer; porous medium; temperature.
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© Copyright 2017 - Journal of Applied Sciences and Environmental Management
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