Large-eddy simulations of self-excited thermoacoustic instability in a premixed swirling combustor with an outlet nozzle

Reducing the footprint of greenhouse gases and nitrogen oxides (NOx) emissions from combustion systems means that they have been operating under lean or ultra-lean fuel–air premixed conditions. Under such conditions, self-excited large-amplitude pulsating thermoacoustic instabilities may occur, char...

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Bibliographic Details
Published in:Physics of fluids (1994) 2022-04, Vol.34 (4)
Main Authors: Sun, Yuze, Zhao, Dan, Ji, Chenzhen, Zhu, Tong, Rao, Zhuming, Wang, Bing
Format: Article
Language:English
Subjects:
Chemical reactions
Combustion chambers
Compressible flow
Energy distribution
Fluid dynamics
Fluid flow
Fuels
Greenhouse gases
Large eddy simulation
Nitrogen oxides
Nozzles
Perturbation
Physics
Proper Orthogonal Decomposition
Standing waves
Swirling
Temperature distribution
Thermoacoustics
Three dimensional flow
Vortices
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