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Unsteady modelling of a bluff-body H2/CO flame using the Eulerian particle flamelet model

conference contribution
posted on 2010-03-24, 11:08 authored by Anand Odedra, Weeratunge MalalasekeraWeeratunge Malalasekera
In this study an axisymmetric RANS simulation of a bluff-body stabilised flame has been attempted using both steady and unsteady flamelet models. Reynolds Stress Model has been used for turbulence closure. Unsteady effects are considered in a post-processing manner through the Eulerian Particle Flamelet Model (EPFM). Comparison of steady and unsteady results show that transient effects do not have much influence on major species, including OH and structure of the flame and therefore can be successfully predicted by steady or unsteady approaches but slow process like NO formation can only be captured if unsteady effects are taken into account while steady simulation tend to significantly overpredict NO.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Citation

ODEDRA, A. and MALALASEKERA, W., 2006. Unsteady modelling of a bluff-body H2/CO flame using the Eulerian particle flamelet model. IN: Hanjalic, K., Nagano, Y. and Jakirlic, S. (eds.) Proceeding of The International Symposium on Turbulence, Heat and Mass Transfer, Dubrovnik, Croatia, Sept. 25th-29th, pp. 605-608

Publisher

© Begell House

Version

  • NA (Not Applicable or Unknown)

Publication date

2006

Notes

This article is closed access. The conference proceedings are available from Begell House : http://www.begellhouse.com/references/1bb331655c289a0a,4a93e7ca5fe696c8,5b5457e8380a0d27.html

ISBN

9619139305;1567002293

Language

  • en

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