Numerical study of non-premixed turbulent combustion in opposed jet flows
by Lale Demiraydin, Jurg Gass, Dimos Poulikakos
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 3, No. 2/3/4, 2003

Abstract: In this work, the numerical modeling of the non-premixed turbulent opposed jet flames is studied with an Eulerian composition PDF transport equation method. The two different turbulence models, κ-ε model and the Reynolds stress model are used, which cause the different modeling of the unclosed terms in PDF transport equation. For the validation of the numerical simulations, the experimental results of a counter flow burner which is built and measured by Mastorakos are used. The flame is near the extinction limits and has high strain rates; low residence times and low temperatures are observed in the stagnation plane. The goal is to investigate the capabilities of the models in predicting the opposed jet configuration and modify the models due to the flow properties of opposed jets.

Online publication date: Wed, 24-Dec-2003

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