Investigation of a turbulent, non-premixed flame of methane- air within a burner employing a flame holder

Beta Probability Density Function (β-PDF) model is applied to investigate the turbulent non-premixed combustion flow, including species concentrations and temperature, in a burner. Gaseous methane (CH۴) is injected at the center of the burner inlet. Air is supplied through the surrounding of this fuel inlet. The governing equations are solved by a finite volume approach and are discretized with the second order upwind scheme. The Realizable k-ε turbulence model is applied to model turbulence. The values of the species mole fraction, temperature and density, which are the functions of the mixture fraction, are determined by integration over a β-PDF. In this study wall as a flame holder is used to stabilize the flame.

کلیدواژه ها:

Flame holder ، Turbulence model ، PDF model ، Numerical simulation