CFD and Chemical Reactor Network approaches to model an inter-turbine burner
André A.V. Augusto Viviani Perpignan (TU Delft - Flight Performance and Propulsion)
A Gangoli Rao (TU Delft - Flight Performance and Propulsion)
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Abstract
The
Flameless Combustion (FC) regime is promising to the attainment of lower
emissions in gas turbine engines. The well-distributed reactions, with low peak
temperatures present in the regime result in lower emissions and acoustic
oscillations. However, the attainment of the FC regime on gas turbine engines has
not been successful, as most of the previous design attempts failed with
respect to combustion efficiency, operational range, or difficulty to integrate
in an engine. Along with a novel aircraft concept, a conceptual design of a gas
turbine engine with two sequential combustion chambers was presented.1 As the aircraft
would allow the use of cryogenic fuels, the first (and main) combustion chamber
envisages the use of hydrogen or natural gas. The inter-turbine burner (ITB) is
the subsequent chamber, and would operate under the FC regime with conventional
fuels.
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