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physics.flu-dyn2020★ 17 cited
Degenerate perturbation theory in thermoacoustics: high-order sensitivities and exceptional points
Alessandro Orchini, Luca Magri, Camilo F. Silva +2
In this study, we connect concepts that have been recently developed in thermoacoustics, specifically, (i) high-order spectral perturbation theory, (ii) symmetry induced degenerate…
physics.flu-dyn2018★ 43 cited
Exceptional points in the thermoacoustic spectrum
Georg A. Mensah, Luca Magri, Camilo F. Silva +2
Exceptional points are found in the spectrum of a prototypical thermoacoustic system as the parameters of the flame transfer function are varied. At these points, two eigenvalues a…