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Showing 1 to 8 of 8 for “"reduced mechanism"”.
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Reduced Kinetic Mechanisms For Premixedhydrogen-air-cf3br Flames
… shown that the addition of CF3Br significantly reduced the burning velocity of premixed H2/Air flames by depleting the important radical species that are important to sustain chemical reactions. Extending this finding to understand the suppression of more complicated diffusion flames and …
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Ion-Currents in Oxyfuel Cutting Flames Exposed to External Bias Voltages
… (CH4 – O2) flame were combined with the GRI 3.0 mechanism and a 25-species reduced mechanism, respectively, and additional ionization reactions that generate three chemi-ions, H3O+, HCO+, and e– , to describe the chemistry of ions in flames. The electrical characteristics such as ion migrations …
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Development and validation of a combustion model for a fuel cell off-gas burner
… efficiency was the development of a reduced H2/CO/N2 kinetic mechanism; from a starting mechanism of 30 species to 10 and 116 reactions to 6. The results of laminar opposed-flow diffusion flames have been used to validate the reduced mechanism. Several different turbulent combustion …
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Study of multi-component fuel premixed combustion using direct numerical simulation
… is thus apparent. In this study, an accurate reduced chemical mechanism suitable for multi-component fuel-air combustion is developed from a skeletal mechanism. Three-dimensional DNS of a freely propagating turbulent premixed flame is then conducted using both mechanisms to shed some light …
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A Computational Fluid Dynamics Model to Simulate Wood Combustion
… generation from wood combustion is the primary mechanism for wild land fire spread. In order to predict various performance parameters of residential heaters and predict wood degradation behavior for fire safety, a comprehensive understanding of wood combustion is necessary. Wood combustion …
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Fundamental studies of premixed combustion
… of a spherically expanding flame using a reduced mechanism and the second considers a one dimensional flame using a full kinetic scheme. Data from the present experiments and computations are compared with those reported elsewhere. Comparisons are made with iso-octane-air mixtures and the …
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Development, uncertainty quantification, and reduction of a dimethyl sulfide oxidation mechanism
… condensation nuclei. Studying the oxidation mechanism of DMS will help improve our modelling of the natural processes that contribute to the Earth's radiative balance. In the past decade, the discovery of a major new pathway in DMS oxidation (involving the formation of hydroperoxymethyl …
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Dynamics, stability and scaling of turbulent methane oxy-combustion
… oxidizers, are used to examine the stabilization mechanisms of these flames. First, we demonstrate the importance of choosing the correct global chemical kinetics mechanism in predicting the flow structures in multi-dimensional simulations and develop a priori criterion of selecting a reduced …