Representing the geometrical complexity of liners and boundaries in low-order modeling for thermoacoustic instabilities

DOI10.1016/j.jcp.2020.110077OpenAlexW3114360516MaRDI QIDQ2128354

Yanyan Li

Publication date: 21 April 2022

Published in: Journal of Computational Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jcp.2020.110077

zbMATH Keywords

boundary conditionsthermoacoustic instabilitiesmodal expansionstate-spaceacoustic linerlow order model

Mathematics Subject Classification ID

Fluid mechanics (76-XX) Classical thermodynamics, heat transfer (80-XX)

Related Items (3)

Spontaneous and explicit symmetry breaking of thermoacoustic eigenmodes in imperfect annular geometries ⋮ Acoustic modal analysis with heat release fluctuations using nonlinear eigensolvers ⋮ Imperfect symmetry of real annular combustors: beating thermoacoustic modes and heteroclinic orbits

Uses Software

• OSCILOS

Cites Work

• State-space realization of a describing function
• Using LES to study reacting flows and instabilities in annular combustion chambers
• Delayed-time domain impedance boundary conditions (D-TDIBC)
• On the theory of unsteady high Reynolds number flow through a circular aperture
• On a Certain Linear Fractional Transformation
• Painless nonorthogonal expansions
• Application of the equivalent surface source method to the acoustics of duct systems with non-uniform wall impedance
• Nonlinear behavior of acoustic waves in combustion chambers—I
• Acoustoelasticity: General theory, acoustic natural modes and forced response to sinusoidal excitation, including comparisons with experiment
• Acoustic disturbance from gas non-uniformities convected through a nozzle
• Amplitude statistics prediction in thermoacoustics
• Frames and Numerical Approximation
• Calculating the Singular Values and Pseudo-Inverse of a Matrix

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