초록 |
In this study, we use the commercial CFD-code FLUENT to simulate the profiles of temperature, velocity and species concentration in the premixed flame reactor. The three-coaxial burner is used: H2 mixed with air flows through the central tube of the burner, H2 through the middle annulus and air through the outer annulus. The computational domain is confined by a coaxial pyrex tube (diameter = 5.2 cm, height = 30 cm) surrounding the flame. The rate of hydrogen-air mixture combustion is calculated as the Arrhenius rate and the mixing rate. The fluid flow and temperature profiles were analyzed for various gas velocities, turbulence models and mixing rates. |