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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 |
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Author/s: |
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Item Type: | Article |
Título de Revista/Publicación: | Comptes Rendus de Mecanique |
Date: | November 2012 |
ISSN: | 16310721 |
Volume: | 340 |
Subjects: | |
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.
Item ID: | 15741 |
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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 |