Abstract

A review will be provided of the state-of-the-art in subgrid scale (SGS) modeling as required for large eddy simulation (LES) of turbulent combustion. The closure complexities caused by chemical reactions are the subject of main discussion. The SGS closure based on the stochastic "filtered density function" (FDF) method is described in a greater detail. Some of the other closures are reviewed in the context of this method. LES/FDF provides a very affordable and reliable means of predicting turbulent reacting flows. Results will be presented of recent implementation of this technology for simulations of a variety of turbulent flames.

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