Flashback Analysis in Swirlers using different geometries [Analisis del reflujo de flama en arremolinadores usando dIferentes geometrias]

Valera Medina, Agustin ORCID: https://orcid.org/0000-0003-1580-7133, Aboites-Dávila, Fernando, Jauregui-Correa, J. C, Syred, Nicholas and Griffiths, Anthony John 2010. Flashback Analysis in Swirlers using different geometries [Analisis del reflujo de flama en arremolinadores usando dIferentes geometrias]. Presented at: SOMIM XIV, Nuevo Leon, Mexico, 22-24 September 2010. Memorias del XVI Congreso Internacional Anual de la SOMIM. Sociedad Mexicana de Ingenieria Mecanica,

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Abstract

Lean flame conditions have been used in Combustion Processes and Gas Turbines during the last few years for the reduction of emissions and for their high stability. However, there are problems related to flashback towards the premixing chambers when highly hydrogen enriched blends are used, a problem that occurs when syngas and/or biofuels are used. For this reason, this paper describes an experimental process for data acquisition under different geometries of a swirl burner in order tocharacterize the phenomenon, which was visualized using High Speed Photography. The study was based on the external and internal analysis of the burner. The use of a central combustible injector demonstrated to be beneficial for flashback reduction due to the suppression of some coherent structures. Nevertheless, the presence of the former can cause damaging explosions in the system if the flashback point is reached.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Engineering
Uncontrolled Keywords:	High Speed Photography; Flashback; Swirling Flows
Language other than English:	Spanish
Publisher:	Sociedad Mexicana de Ingenieria Mecanica
ISBN:	9786079530938
Last Modified:	25 Oct 2022 09:23
URI:	https://orca.cardiff.ac.uk/id/eprint/58302

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