COSMPARING FULL AND REDUCED METHANE KINETICS MECHANISMS IN NUMERICAL MODELING OF POROUS BURNERS

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KHOSRAVI ALHOSSEINI M.; MAREFAT M.; MAZAHERI K.

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Journal: MECHANICAL ENGINEERING SHARIF (SHARIF: MECHANICAL ENGINEERING) Year:2008 | Volume:23 | Issue:41-42 Page(s): 115-126

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Title

COSMPARING FULL AND REDUCED METHANE KINETICS MECHANISMS IN NUMERICAL MODELING OF POROUS BURNERS

Author(s)

KHOSRAVI ALHOSSEINI M. | MAREFAT M. | MAZAHERI K. | Issue Writer Certificate

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Abstract

The present paper compares full kinetics mechanisms in the numerical modeling of porous radiant burners (PRB), with their reduced forms. The two most frequently used mechanisms of methane combustion (GRI3.0 and Miller) were selected and their effects were examined on temperature, species concentration, burning speed and pollutant emission. While the findings of the numerical simulation of PRB show a fine concurrence between each full mechanism and its related reduced mechanism, no significant temperature differences are observed in the results of full mechanisms. However, CO concentration along the burner axis shows a small difference between two full mechanisms, which is related to HCO and HO2 concentrations. The inconsistency is more pronounced for NO concentration along the porous axis, which is due to prompt NO evaluation. The present research finds deviation, also, between burning speeds, calculated by numerical simulation and experimental results. This difference is much more significant in rich mixtures. The GRI3.0 mechanism estimated the burning velocities as being closer to the experimental values than those predicted using the Miller mechanism.

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APA: Copy

KHOSRAVI ALHOSSEINI, M., MAREFAT, M., & MAZAHERI, K.. (2008). COSMPARING FULL AND REDUCED METHANE KINETICS MECHANISMS IN NUMERICAL MODELING OF POROUS BURNERS. MECHANICAL ENGINEERING SHARIF (SHARIF: MECHANICAL ENGINEERING), 23(41-42), 115-126. SID. https://sid.ir/paper/128287/en

Vancouver: Copy

KHOSRAVI ALHOSSEINI M., MAREFAT M., MAZAHERI K.. COSMPARING FULL AND REDUCED METHANE KINETICS MECHANISMS IN NUMERICAL MODELING OF POROUS BURNERS. MECHANICAL ENGINEERING SHARIF (SHARIF: MECHANICAL ENGINEERING)[Internet]. 2008;23(41-42):115-126. Available from: https://sid.ir/paper/128287/en

IEEE: Copy

M. KHOSRAVI ALHOSSEINI, M. MAREFAT, and K. MAZAHERI, “COSMPARING FULL AND REDUCED METHANE KINETICS MECHANISMS IN NUMERICAL MODELING OF POROUS BURNERS,” MECHANICAL ENGINEERING SHARIF (SHARIF: MECHANICAL ENGINEERING), vol. 23, no. 41-42, pp. 115–126, 2008, [Online]. Available: https://sid.ir/paper/128287/en

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