Combustion dynamics analysis of a pressurized airblast swirl burner using proper orthogonal decomposition
Alireza Ghasemi,
Thomas Christou,
Jim B.W. Kok
et al.
Abstract:Jet fuel-fired combustors in aero gas turbine engines have switched to lean burn to decrease nitric oxide emissions in recent years as a result of strict emission regulations. Lean operating conditions, however, exhibit a heightened sensitivity to thermoacoustic instabilities and such burners require careful consideration in design and operation. Similar to natural gas-fired combustors, they exhibit thermoacoustic instabilities, but the characteristics are more complex and less well-studied. This paper present… Show more
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