Characteristics of Laminar Lifted Flames in a Partially Premixed Jet
- 1 November 1989
- journal article
- research article
- Published by Taylor & Francis in Combustion Science and Technology
- Vol. 68 (1-3) , 15-33
- https://doi.org/10.1080/00102208908924067
Abstract
— The Bray-Moss-Libby model of premixed turbulent combustion supplemented with a model for the mean rate of creation of product is used to analyze the influence of gravity on horizontal premixed turbulent flames propagating either upward or downward into reactants. A parameter determining the extent of the influence of gravity involving various aerothermochemical quantities is identified. Earlier studies of gravity free flames are extended to include a prediction of turbulent flame speed including the influence of gravity by adoption of the KPP-condition of a minimum speed. A linearized treatment of the effect of gravity on the structure of premixed turbulent flames is carried out.Keywords
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