Analysis of degenerate mechanisms triggering finite-amplitude thermo-acoustic oscillations in annular combustors

Keyphrases

• Finite Amplitude 100%
• Burner 100%
• Annular Combustor 100%
• Thermoacoustic Oscillation 100%
• Heat Source 66%
• Combustion Device 66%
• Acoustics 33%
• Oscillation 33%
• Governing Equation 33%
• Overall System 33%
• Simplified Model 33%
• Nonlinear Model 33%
• Asymptotic Expansion 33%
• Global Instability 33%
• One-dimensional Systems 33%
• Modal Analysis 33%
• Synchronous Motion 33%
• Modal Response 33%
• Positive Feedback 33%
• Undesirable Effects 33%
• Forcing Frequency 33%
• Pressure Fluctuation 33%
• Large-scale Dynamics 33%
• Coupled Motion 33%
• Linearly Stable 33%
• Harmonic Excitation 33%
• Eigenfrequency 33%
• Jump Conditions 33%
• Heat Pressure 33%
• Acoustic Damping 33%
• Hopf Point 33%
• Block-circulant 33%
• Stability Equation 33%
• Heat Release Fluctuation 33%
• Acoustic Limit 33%
• Non-modal 33%
• Circulant Structure 33%
• Non-modal Analysis 33%
• Annular Chamber 33%
• Cross-sector Coupling 33%

Engineering

• One Dimensional 100%
• Heat Source 100%
• Modal Analysis 100%
• Annular Combustor 100%
• Acoustic Oscillation 100%
• Dimensional System 50%
• Asymptotic Expansion 50%
• Scale Dynamic 50%
• Circulant 50%
• Heat Release 50%
• Pressure Fluctuation 50%
• Nonlinear Model 50%
• Harmonic Excitation 50%
• Eigenfrequencies 50%
• Jump Condition 50%
• Forcing Frequency 50%