skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Measurement of laminar burning speeds and Markstein lengths using a novel methodology

Abstract

Three different methodologies used for the extraction of laminar information are compared and discussed. Starting from an asymptotic analysis assuming a linear relation between the propagation speed and the stretch acting on the flame front, temporal radius evolutions of spherically expanding laminar flames are postprocessed to obtain laminar burning velocities and Markstein lengths. The first methodology fits the temporal radius evolution with a polynomial function, while the new methodology proposed uses the exact solution of the linear relation linking the flame speed and the stretch as a fit. The last methodology consists in an analytical resolution of the problem. To test the different methodologies, experiments were carried out in a stainless steel combustion chamber with methane/air mixtures at atmospheric pressure and ambient temperature. The equivalence ratio was varied from 0.55 to 1.3. The classical shadowgraph technique was used to detect the reaction zone. The new methodology has proven to be the most robust and provides the most accurate results, while the polynomial methodology induces some errors due to the differentiation process. As original radii are used in the analytical methodology, it is more affected by the experimental radius determination. Finally, laminar burning velocity and Markstein length values determined with themore » new methodology are compared with results reported in the literature. (author)« less

Authors:
; ;  [1]
  1. Institut PRISME, Universite d'Orleans, 8 rue Leonard de Vinci-45072, Orleans Cedex 2 (France)
Publication Date:
OSTI Identifier:
21223028
Resource Type:
Journal Article
Journal Name:
Combustion and Flame
Additional Journal Information:
Journal Volume: 156; Journal Issue: 9; Other Information: Elsevier Ltd. All rights reserved; Journal ID: ISSN 0010-2180
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; LAMINAR FLAMES; LENGTH; METHANE; VELOCITY; POLYNOMIALS; ACCURACY; ASYMPTOTIC SOLUTIONS; AIR; EXACT SOLUTIONS; SPHERICAL CONFIGURATION; AMBIENT TEMPERATURE; ATMOSPHERIC PRESSURE; COMPARATIVE EVALUATIONS; ERRORS; FLAME PROPAGATION; TIME DEPENDENCE; Laminar burning speed; Markstein length; Spherical expanding flames

Citation Formats

Tahtouh, Toni, Halter, Fabien, and Mounaim-Rousselle, Christine. Measurement of laminar burning speeds and Markstein lengths using a novel methodology. United States: N. p., 2009. Web. doi:10.1016/J.COMBUSTFLAME.2009.03.013.
Tahtouh, Toni, Halter, Fabien, & Mounaim-Rousselle, Christine. Measurement of laminar burning speeds and Markstein lengths using a novel methodology. United States. https://doi.org/10.1016/J.COMBUSTFLAME.2009.03.013
Tahtouh, Toni, Halter, Fabien, and Mounaim-Rousselle, Christine. 2009. "Measurement of laminar burning speeds and Markstein lengths using a novel methodology". United States. https://doi.org/10.1016/J.COMBUSTFLAME.2009.03.013.
@article{osti_21223028,
title = {Measurement of laminar burning speeds and Markstein lengths using a novel methodology},
author = {Tahtouh, Toni and Halter, Fabien and Mounaim-Rousselle, Christine},
abstractNote = {Three different methodologies used for the extraction of laminar information are compared and discussed. Starting from an asymptotic analysis assuming a linear relation between the propagation speed and the stretch acting on the flame front, temporal radius evolutions of spherically expanding laminar flames are postprocessed to obtain laminar burning velocities and Markstein lengths. The first methodology fits the temporal radius evolution with a polynomial function, while the new methodology proposed uses the exact solution of the linear relation linking the flame speed and the stretch as a fit. The last methodology consists in an analytical resolution of the problem. To test the different methodologies, experiments were carried out in a stainless steel combustion chamber with methane/air mixtures at atmospheric pressure and ambient temperature. The equivalence ratio was varied from 0.55 to 1.3. The classical shadowgraph technique was used to detect the reaction zone. The new methodology has proven to be the most robust and provides the most accurate results, while the polynomial methodology induces some errors due to the differentiation process. As original radii are used in the analytical methodology, it is more affected by the experimental radius determination. Finally, laminar burning velocity and Markstein length values determined with the new methodology are compared with results reported in the literature. (author)},
doi = {10.1016/J.COMBUSTFLAME.2009.03.013},
url = {https://www.osti.gov/biblio/21223028}, journal = {Combustion and Flame},
issn = {0010-2180},
number = 9,
volume = 156,
place = {United States},
year = {Tue Sep 15 00:00:00 EDT 2009},
month = {Tue Sep 15 00:00:00 EDT 2009}
}