Vortex simulation of a three-dimensional reacting shear layer with infinite-rate kinetics

Abstract

The three-dimensional transport element method is extended to solve the conservation equations for reacting flow. The numerical scheme belongs to an adaptive, Lagrangian class of field methods in which computational effort is concentrated in zones of finite vorticity and chemical reaction. We use the low Mach number approximation of combustion and restrict our attention to the case of diffusion flames with no heat release. A single-step, second-order, infinite-rate kinetics chemical reaction model is employed. The scheme is applied to study the effect of flow-induced instabilities on the reaction field in a temporal shear layer