A detailed comparison of two sub-grid scale combustion models via large eddy simulation of the PRECCINSTA gas turbine model combustor

A detailed comparison of the performances of a dynamically thickened-flame (DTF) model and a flame surface density (FSD) model is conducted through large eddy simulation (LES) of two fuel-lean turbulent premixed swirling flames in the well-known PRECCINSTA gas turbine model combustor. The two models are implemented in the same in-house Finite-Volume code, with the same numerical method, and all the computations are performed on the same...