The objective of this paper is to show numerical simulations of combustion of an air/methane mixture in porous materials. Here, a model that considers the intrapore levels of turbulent kinetic energy is used. Transport equations are written in their time-and-volume-averaged form and a volume-based statistical turbulence model is applied to simulate turbulence generation due to the porous matrix. Different thermo-mechanical models are compared, namely Laminar, Laminar with Radiation Transport, Turbulent, Turbulent with Radiation Transport. Combustion is modeled via a unique simple closure. Results indicate that a substantially different temperature distribution is obtained depending on the model used. In addition, for high excess air, peak gas temperatures are reduced.
Simulation of Turbulent Combustion in Inert Porous Media Using a Thermal Non-Equilibrium Model
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de Lemos, MJS. "Simulation of Turbulent Combustion in Inert Porous Media Using a Thermal Non-Equilibrium Model." Proceedings of the ASME 2009 International Mechanical Engineering Congress and Exposition. Volume 3: Combustion Science and Engineering. Lake Buena Vista, Florida, USA. November 13–19, 2009. pp. 107-113. ASME. https://doi.org/10.1115/IMECE2009-11635
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