Role of Coherent Structures in Turbulent Premixed Flame Acoustics

D Brouzet,A Haghiri,Mohsen Talei,Michael J. Brear,Oliver T. Schmidt,Georgios Rigas,Tim Colonius

Role of Coherent Structures in Turbulent Premixed Flame Acoustics

2020

D Brouzet
A Haghiri
Mohsen Talei
Michael J. Brear
Oliver T. Schmidt
Georgios Rigas
Tim Colonius

Spectral proper orthogonal decomposition (SPOD) is applied to direct numerical simulation datasets of a lean and a stoichiometric methane–air turbulent premixed jet flame. SPOD is used to extract t...

Keywords:

Direct numerical simulation
Lagrangian coherent structures
Mechanics
Mathematics
Classical mechanics
Turbulence
Premixed flame
proper orthogonal decomposition
Inlet
Instability
Strouhal number
Nonlinear system
Deformation (mechanics)

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