Local burning velocity in a Bunsen jet flame

García-Soriano, G., Castillo, J.L., Higuera Antón, Francisco ORCID: https://orcid.org/0000-0002-3669-0248 and García-Ybarra, P.L. (2012). Local burning velocity in a Bunsen jet flame. "Comptes Rendus de Mecanique", v. 340 (n. 11-12); pp. 789-796. ISSN 16310721. https://doi.org/10.1016/j.crme.2012.10.027.


Title: Local burning velocity in a Bunsen jet flame
Item Type: Article
Título de Revista/Publicación: Comptes Rendus de Mecanique
Date: November 2012
ISSN: 16310721
Volume: 340
Freetext Keywords: Premixed flames; Flame stretch; Markstein length
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Motopropulsión y Termofluidodinámica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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A PIV-based system has been set-up for the simultaneous measurement of the local burning velocity of premixed flames and the flame stretch due to the flame front curvature and the incoming flow strain rate. For moderately short jet flames, these measurements allow an indirect determination of the Markstein length, according to Clavin and Joulin (C–J) theory. For tall flames, the flame curvature becomes relatively large in a region around the tip where the C–J theory breaks down. However, our experiments confirm the appearance of a new linear relation between burning velocity and curvature at the flame tip. This relation defines a new proportionality factor which is probably associated to the evolution from rounded tips to slender tips when the jet velocity is increased.

Funding Projects

Madrid Regional Government

More information

Item ID: 15741
DC Identifier: https://oa.upm.es/15741/
OAI Identifier: oai:oa.upm.es:15741
DOI: 10.1016/j.crme.2012.10.027
Official URL: http://www.sciencedirect.com/science/article/pii/S...
Deposited by: Memoria Investigacion
Deposited on: 11 Nov 2014 16:02
Last Modified: 30 Nov 2022 09:00
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