Abstract
Turbulent combustion is often accompanied by complex phenomena of flow and combustion. Combining with advanced combustion model, LES provides a powerful tool to simulate turbulent combustion. Based on flamelet model, with a progress variable introduced, the flamelet/progress variable approach is enabled to describe complex phenomena in turbulent combustion such as local extinction and re-ignition. Recently, in order to validate the LES based flamelet/progress variable (LES-FPV) approach, a series of numerical simulations were carried out. In the simulations of non-premixed flame, partially premixed flame, lifted flame and swirl flame, the approach showed good performance and was then used to simulate gas turbine combustor, and to predict some basic combustion phenomena. With continuous development, LES-FPV approach will play an increasingly important role in simulating turbulent combustion.
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