Numerical Simulation of a Turbulent Lean, Premixed Combustion with an Explicit Algebraic Stress Model
William Vicente, Martín Salinas-Vázquez, Eliseo Martínez and Alejandro Rodríguez
DOI : 10.3844/jmssp.2005.86.90
Journal of Mathematics and Statistics
Volume 1, Issue 2
A computational model is used in the present paper to study the influence of the turbulence modeling on the chemical species in a turbulent lean premixed flame. The simulated configuration is about a lean, premixed bluff-body-stabilized flame with a recirculation zone. To achieve the objectives, three different models were used for turbulence modeling as listed next: 1) standard k-ε, 2) a Reynolds Stress Turbulence Closure and 3) a state of the art Explicit Algebraic Stress Model. Comparisons with experimental data are made in terms of velocities, temperatures, as well as major and minor species. As a result, predictions show that species such as CO and OH are strongly affected by the turbulence model; whereas other species such as NO are affected slightly. On the other hand the Explicit Algebraic Stress Model offers noticeable improvements over existing models.
© 2005 William Vicente, Martín Salinas-Vázquez, Eliseo Martínez and Alejandro Rodríguez. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.