Mishra, S and Basu, S (2011) A computational study of heat transfer, soot production and transport in an acetylene-air laminar diffusion flame in the field of a line vortex. In: 21st National and 10th ISHMT-ASME Heat and Mass Transfer Conference, December 27-30, 2011, Indian Institute of Technology Madras, Chennai in .
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The present work involves a computational study of soot formation and transport in case of a laminar acetylene diffusion flame perturbed by a co nvecting line vortex. The topology of the soot contours (as in an earlier experimental work [4]) have been investigated. More soot was produced when vortex was introduced from the air si de in comparison to a fuel side vortex. Also the soot topography was more diffused in case of the air side vortex. The computational model was found to be in good agreement with the ex perimental work [4]. The computational simulation enabled a study of the various parameters affecting soot transport. Temperatures were found to be higher in case of air side vortex as compared to a fuel side vortex. In case of the fuel side vortex, abundance of fuel in the vort ex core resulted in stoichiometrically rich combustion in the vortex core, and more discrete so ot topography. Overall soot production too was low. In case of the air side vortex abundan ce of air in the core resulted in higher temperatures and more soot yield. Statistical techniques like probability density fun ction, correlation coefficient and conditional probability function were introduced to explain the transient dependence of soot yield and transport on various parameters like temperature, a cetylene concentration.
| Item Type: | Conference Proceedings |
|---|---|
| Publisher: | ASME |
| Additional Information: | Copyright of this article belongs to ASME. |
| Department/Centre: | Division of Mechanical Sciences > Mechanical Engineering |
| Date Deposited: | 04 May 2013 06:37 |
| Last Modified: | 04 May 2013 10:15 |
| URI: | http://eprints.iisc.ac.in/id/eprint/46291 |
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