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Computational and experimental investigations of turbulent asymmetric vortex flames

Saqr, K. M. and Aly, H. S. and Mohd. Sies, Mohsin and Abd Wahid, Mazlan (2011) Computational and experimental investigations of turbulent asymmetric vortex flames. International Communications in Heat and Mass Transfer, 38 (3). pp. 353-362. ISSN 0735-1933

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Official URL: http://dx.doi.org/10.1016/j.icheatmasstransfer.201...


In the present article we present computational and experimental investigations of a turbulent asymmetric vortex flame. Such flame was created in a novel asymmetric combustor, which is described for the first time in this article. The three dimensional isothermal and reacting flow fields have been described using a computational methodology that impalements the R e/k-e and the eddy dissipation turbulence and combustion models, respectively. The computational model is validated for both isothermal and reacting flows. Additionally, the visible flame structure was captured by direct photography at a wide range of equivalence ratios in order to emphasize the exceptional stability of such flame. The mechanism of flame stability and interaction with the forced vortex field is preliminarily discussed. Finally, the basic characteristics of the asymmetric vortex flames are concluded.

Item Type:Article
Uncontrolled Keywords:asymmetric combustor, CFD, flame dynamics, stability, turbulent combustion, vortex flame
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Mechanical Engineering
ID Code:28852
Deposited By: Mrs Liza Porijo
Deposited On:29 Nov 2012 07:41
Last Modified:13 Feb 2017 03:23

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