DNS of Turbulent H2/O2 Premixed Flames Using Compressible and Low-Mach Number Formulations

Impact of detailed chemistry and transport models on turbulent combustion simulations

“…A similar DNS code has been developed to check the possibility of using the low-Mach number approximation to reduce computing costs associated to direct simulations relying on detailed chemistry and transport models [62,81]. During the validation phase ozone decomposition flames have been computed using a complete reaction scheme and the zeroth-order approximation of the multi-component diffusion velocities [62].…”

“…A perfect agreement is observed between both results. As a further step turbulent hydrogen premixed flames have also been considered using a complete reaction scheme for H 2 /O 2 combustion and the zeroth-order approximation of the multi-component diffusion velocities [81]. A numerical domain of 1 £ 1 cm 2 is considered with a spatial resolution of 20 mm, and the Reynolds number is equal to 250.…”