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International Letters of Chemistry, Physics and Astronomy
Volume 55

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Simulation of Opposed-Jets Configuration H2/Air, CH4/Air

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The opposed-jets configuration is very used in industrial systems. The actual practical applications use clean fuels which in stead of classical hydrocarbons. The present work is a numerical simulation of opposed diffusion jets using FLUENT6.3.26. We have compared different turbulence models and combustion models and mechanisms to find which gives the best predictions for this type of flows. We have used methane and hydrogen fuels because they are considered as clean fuels. The comparison between k-ε, k-omega and RSM turbulent models shows that both of k-ε and RSM gives good results. The use of k-ε is more practical because it requires less long time to be implied. The comparison between the combustion models shows that EDC gives more realistic results than eddy dissipation and Finite rate models. In addition, the detailed chemical mechanisms are more adequate to this model. For both methane and hydrogen flames, the detailed mechanisms gives good results and temperatures.


International Letters of Chemistry, Physics and Astronomy (Volume 55)
K. Choual and R. Benzeguir, "Simulation of Opposed-Jets Configuration H2/Air, CH4/Air", International Letters of Chemistry, Physics and Astronomy, Vol. 55, pp. 34-46, 2015
Online since:
Jul 2015