Msaad, A.A. and Belcadi, A. and Mahdaoui, M. and Affad, E. and Mouqallid, M. (2011) Reduced mechanism Generated with PCAF and Validation for premixed methane flames. Physical and Chemical News, 62. pp. 88-96.

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An automated procedure has been previously developed to generate (reduced) simplified reaction mechanisms for the combustion of methane/air mixtures at equivalence ratios (0.6, 0.8, 1 and 1.2) and different pressures, the algorithm is based on principal component analysis of the rate sensitivity matrix (PCAF method) 1. In this paper, we examine the accuracy of the simplified mechanism when they are used for modeling laminar methane/air premixed flames. The objective is to evaluate the accuracy and range the validity of the simplified models. The detailed mechanism was developed by Gas Research Institute (GRI-3.0) 2. The smallest mechanism considered consists of 26 species and 96 reactions. We show that these reduced mechanisms yield good agreement with the detailed model for premixed methane flames, over a wide range of equivalence ratios and pressure, for global flame properties. They also exhibit good accuracy in predicting certain elements of internal flame structure, especially the profiles of temperature and major chemical species.

Item Type: Article
Subjects: Chemistry
Divisions: SCIENTIFIC PRODUCTION > Chemistry
Depositing User: Administrateur Eprints Administrateur Eprints
Last Modified: 31 Jan 2020 15:45

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