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Bifurcation analysis of the effect of hydrogen addition on the dynamic behavior of lean premixed pre-vaporized ethanol combustion

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Apr 2012 Italy Publisher:Elsevier BVJournal:International Journal of Hydrogen Energy, volume 37, pages 6,922-6,932 (issn: 0360-3199,

Authors: A. Garcia Agreda; V. Di Sarli; DI BENEDETTO, ALMERINDA;

doi: 10.1016/j.ijhydene.2012.01.024

handle: 11588/472579 , 20.500.14243/282282

Bifurcation analysis of the effect of hydrogen addition on the dynamic behavior of lean premixed pre-vaporized ethanol combustion

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Abstract

In this work, a mathematical model of fuel conversion and energy balance has been developed to study the dynamic behavior of a lean premixed pre-vaporized combustor fed with ethanol/air and ethanol-hydrogen/air mixtures. The combustor was modeled as a well stirred reactor (WSR). Results show that, for a simplified model reaction, Hopf bifurcations occur. Spontaneous oscillations have been found, suggesting that the combustion reaction plays an important role in the development of dynamic regimes. Hydrogen addition stabilizes ethanol combustion, damping the oscillations. Copyright © 2012, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights.

Country

Italy

Related Organizations

University Federico II of Naples
Italy
National Research Council
Italy
Institute for Research on Combustion
Italy

Keywords

Ethanol, Bifurcation analysis, Hydro, Combustion instability, Lean premixed combustion, Hydrogen

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