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Validation Simulations of a Bluff-Body Stabilised Flame Combustion Process

Authors(1):

Dr. R. Ravi Varma
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Experimental measurements of the temperature and chemical species mass concentrations are compared with predictions made by a commercial Computational Fluid Dynamics (CFD) package. The bluff body burner considered for this study is included in the library of test flames of the International Workshop on Measurement and Computation of Turbulent Non-premixed Flames (TNF). The unmixed bluff-body stabilised flame burner, which is representative of industrial designs, using a fuel of 1:1 volume ratio of methane and hydrogen was chosen. Four k-ε based turbulence models are examined. Four combustion models; the Eddy Break-Up model, the Adiabatic and Non-adiabatic Presumed Probability Density Function (PPDF) model, and the Laminar Flamelet model are studied. The benefits of the Laminar Flamelet model are illustrated with excellent results being obtained when it is used in conjunction with the Chen k-ε turbulence model. A detailed analysis comparing the merits of each of the modelling approaches is presented.

Dr. R. Ravi Varma

Computational Fluid Dynamics, Bluff Body, Modeling

  1. B B Dally, D F Fletcher and A R Masri. 1998. Combustion Theory Modelling 2 (1998) pg.193–219, 1998. “Flow and mixing fields of turbulent bluff-body jets and flames”. http://www.mech.eng.usyd.edu.au/research/energy/resources.html
  2. STAR-CD Methodology Manual and User Guide. Computational Dynamics Ltd. 2003.

Publication Details

Published in : Volume 2 | Issue 6 | November-December - 2016
Date of Publication Print ISSN Online ISSN
2016-12-30 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
437-441 IJSRSET1626109   Technoscience Academy

Cite This Article

Dr. R. Ravi Varma , "Validation Simulations of a Bluff-Body Stabilised Flame Combustion Process", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 2, Issue 6, pp.437-441, November-December-2016.
URL : http://ijsrset.com/IJSRSET1626109.php

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