Eventos Anais de eventos
ENCIT 2018
Brazilian Congress of Thermal Sciences and Engineering
Influence of Turbulence on the Flameless Combustion Flow Field
Submission Author:
Helio Henrique Santomo Villanueva , SP
Co-Authors:
Helio Henrique Santomo Villanueva, Filipi Martins Fernandes Silva, GUENTHER Krieger Filho
Presenter: Helio Henrique Santomo Villanueva
doi://10.26678/ABCM.ENCIT2018.CIT18-0331
Abstract
This paper presents a numerical study of the influence of turbulence on the flow field of the flameless combustion regime. The numerical simulations are based on experimental data in literature. Reynolds Averaged Navier-Stokes simulations using the standard k-e model for turbulence and flamelet generated manifolds with presumed b-PDF for turbulent combustion modeling are carried out in the commercial CFD software Fluent. The numerical results agree well with main flameless regime characteristics observed experimentally and further discussion regarding the turbulent kinetic energy field, Kolmogorov time scale and Damkohler number distributions and temperature field present an objective view of the numerical models applied.
Keywords
flameless, Computational fluid dynamics (CFD), mild combustion, RANS, Flamelet-Generated-Manifold
