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Investigation of Flashback Propensity in Turbines with Syngas Fuels

Name: Investigation of Flashback Propensity in Turbines with Syngas Fuels
Keywords: 7. Clean energy

descriptionPublicationkeyboard_double_arrow_right Conference object , Other literature type 04 Jan 2010Publisher:American Institute of Aeronautics and Astronautics (AIAA)Journal:48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition

Authors: Ahsan Choudhuri; Gilberto Corona; Bidhan Dam;

doi: 10.2514/6.2010-1172

Investigation of Flashback Propensity in Turbines with Syngas Fuels

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Abstract

The paper presents experimental measurements of combustion induced vortex breakdown (CIVB) flashback propensity for hydrogen (H2)-carbon Monoxide (CO) flames. The effects of H2 concentration, diluents and swirl number on the flashback propensity of H2-CO flames are discussed. For a given Ubulk, the stoichiometric ratio (%F) at which the CIVB flashback occurs decreases with the increase in H2 concentration in fuel mixtures. However, the flashback propensity decreases with the increase in the swirl number. Combustor flashback maps for syngas compositions derived from different coal source shows the distinct behavior due to the presence of various diluents in fuel mixtures.

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