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Wall-temperature effects on flame response to acoustic oscillations

Mejia, Daniel and Selle, Laurent and Bazile, Rudy and Poinsot, Thierry Wall-temperature effects on flame response to acoustic oscillations. (2015) Proceedings of the Combustion Institute, 35 (3). 3201-3208. ISSN 1540-7489

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Official URL: http://dx.doi.org/10.1016/j.proci.2014.07.015

Abstract

This paper presents an experimental investigation of combustion instabilities for a laminar premixed flame stabilized on a slot burner. For certain operating conditions, the system exhibits an unstable mode locked on the Helmholtz mode of the burner. It is shown that the instability can be controlled and even suppressed by changing solely the temperature of the burner rim. A theoretical model accounting for this parameter in the flame transfer function is devised and the physical mechanisms for the temperature dependance of the flame response are investigated.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Proceedings of the Combustion Institute website : www.sciencedirect.com/science/journal/15407489
HAL Id:hal-01116177
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
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Deposited On:12 Feb 2015 16:13

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