Indirect noise from weakly reacting inhomogeneities

DOI10.1017/jfm.2023.396arXiv2301.13004MaRDI QIDQ6101992

Luca Magri, Animesh Jain, Andrea Giusti

Publication date: 20 June 2023

Published in: Journal of Fluid Mechanics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2301.13004

zbMATH Keywords

supersonic flowlow-order modelsubsonic flownozzle flowthermoacoustic stabilitycombustorentropy perturbationcompositional noisecompositional perturbation

Mathematics Subject Classification ID

Hydro- and aero-acoustics (76Q05) Reaction effects in flows (76V05) Supersonic flows (76J20)

Cites Work

• Combustion and Engine-Core Noise
• Jet engine combustion noise: Pressure, entropy and vorticity perturbations produced by unsteady combustion or heat addition
• The generation of sound by density inhomogeneities in low Mach number nozzle flows
• Noise produced by fluid inhomogeneities
• Acoustic disturbance from gas non-uniformities convected through a nozzle
• Unsteady Combustor Physics
• On indirect noise in multicomponent nozzle flows
• Compositional inhomogeneities as a source of indirect combustion noise
• A physical model for indirect noise in non-isentropic nozzles: transfer functions and stability
• A solution for the quasi-one-dimensional linearised Euler equations with heat transfer
• Solution of the quasi-one-dimensional linearized Euler equations using flow invariants and the Magnus expansion
• Compositional noise in nozzles with dissipation

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