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García-Soriano, G., Higuera Antón, Francisco ORCID: https://orcid.org/0000-0002-3669-0248, Castillo, J.L. and García-Ybarra, P.L.
(2010).
Measurement of the burning velocity of strongly curved methane-air flames.
In: "SPEIC10: Towards Sustainable Combustion Meeting", 16/06/2010 - 18/06/2010, Tenerife, España.
Title: | Measurement of the burning velocity of strongly curved methane-air flames |
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Author/s: |
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Item Type: | Presentation at Congress or Conference (Article) |
Event Title: | SPEIC10: Towards Sustainable Combustion Meeting |
Event Dates: | 16/06/2010 - 18/06/2010 |
Event Location: | Tenerife, España |
Title of Book: | Proceedings of the SPEIC10: Towards Sustainable Combustion Meeting |
Date: | 2010 |
Subjects: | |
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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An experimental and numerical study has been carried out of the region around the tip of a methane-air premixed flame attached to a circular laminar jet burner. On the experimental side, photographic records and PIV have been used to measure the shape of the reaction layer and the velocity of the gas around the tip of the flame. The numerical part of the study includes simulations of stationary axisymmetric flames with infinitely high activation energy reactions. The experimental and numerical results compare well with each other and allow to determine the curvature of the reaction layer at the tip and the velocity and strain rate of the fresh gas flow along the axis of the burner. These data, together with the planar flame velocity determined by extrapolating the velocity of the flame at the tip to the limit of zero stretch, are used to assess the well-known linear flame-velocity/flame-stretch relationship originally proposed by Markstein and later derived in the asymptotic limit of weakly curved and strained flames [1, 2], as well as the phenomenological modification proposed more recently by Mungal and coworkers
Item ID: | 7349 |
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DC Identifier: | https://oa.upm.es/7349/ |
OAI Identifier: | oai:oa.upm.es:7349 |
Deposited by: | Memoria Investigacion |
Deposited on: | 06 Jun 2011 09:10 |
Last Modified: | 20 Apr 2016 16:30 |