Large-Eddy Simulation of the PRECCINSTA burner with finite-rate chemistry and wall heat loss
In order to reduce nitrogen oxide emissions, aircraft gas turbine manufacturers try to lower the maximum temperature level in the combustion chamber. Lean premixed combustion is a simple way to achieve this. However, this type of flame is less robust than non-premixed flames, and therefore leads to a reduction of the operating margins. Engine manufacturers and researchers worked for several years to model and understand these flames.
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