An exceptional point switches stability of a thermoacoustic experiment

DOI10.1017/jfm.2021.480zbMath1502.76090OpenAlexW3166090009MaRDI QIDQ5000016

Abdulla Ghani, W. Polifke

Publication date: 5 July 2021

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

Full work available at URL: https://doi.org/10.1017/jfm.2021.480

zbMATH Keywords

combustionexperimental validationlow-dimensional modelcomplex eigenvalue planenumerical stability mapthermoacoustic feedback

Mathematics Subject Classification ID

Experimental work for problems pertaining to fluid mechanics (76-05) Hydro- and aero-acoustics (76Q05) Combustion (80A25) Reaction effects in flows (76V05)

Related Items (1)

Subharmonic eigenvalue orbits in the spectrum of pulsating Poiseuille flow

Cites Work

• \(\hbar\) expansions in semiclassical theories for systems with smooth potentials and discrete symmetries
• Disturbance energy transport and sound production in gaseous combustion
• A unified framework for nonlinear combustion instability analysis based on the flame describing function
• Nonlinear self-excited oscillations of a ducted flame
• Sensitivity and Nonlinearity of Thermoacoustic Oscillations
• Coupling of eigenvalues of complex matrices at diabolic and exceptional points
• Thermoacoustic oscillations in combustion chambers of gas turbines
• The physics of exceptional points
• Distributed time lag response functions for the modelling of combustion dynamics
• Exceptional points in optics and photonics
• On combustion generated noise
• On the Radiation of Sound from an Unflanged Circular Pipe

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