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TECHNICAL PAPERS: Combustion

Numerical Study on the Influence of Radiative Properties in Porous Media Combustion

[+] Author and Article Information
Isabel Malico, José Carlos F. Pereira

Instituto Superior Técnico, Mechanical Engineering Department, Av. Rovisco Pais, 1049-001 Lisboa, Portugal

J. Heat Transfer 123(5), 951-957 (Mar 08, 2001) (7 pages) doi:10.1115/1.1389059 History: Received October 07, 1999; Revised March 08, 2001
Copyright © 2001 by ASME
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References

Figures

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Sketch of the porous burner with integrated heat exchanger prototype modeled in this study
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Phase functions analyzed in this study
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Experimental and predicted centerline gas temperature profiles for a 2 kW power and a 1.5 excess air coefficient. Base—Predictions obtained with the base values of the radiative coefficients listed in Table 1; Perturbed—Predictions obtained with the extinction coefficient and the scattering albedo increased by 50 percent and 30 percent, respectively
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Predicted gas temperature profiles at r=33 mm for a 2 kW power and a 1.5 excess air coefficient. Base—Predictions obtained with the base values of the radiative coefficients listed in Table 1; Perturbed—Predictions obtained with the extinction coefficient and the scattering albedo increased by 50 percent and 30 percent, respectively
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Experimental and predicted centerline gas temperature profiles for a 2 kW power and a 1.5 excess air coefficient. Base—Predictions obtained assuming isotropic scattering; Perturbed—Predictions obtained using the modified Henyey-Greenstein phase function.
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Experimental and predicted centerline gas temperature profiles for a 2 kW power and a 1.5 excess air coefficient. The predictions were obtained both considering and neglecting radiation

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