Amplitude-dependent damping and driving rates of high-frequency thermoacoustic oscillations in a lab-scale lean-premixed gas turbine combustor

Keyphrases

• Combustor 100%
• Amplitude Dependency 100%
• Eigenfrequency 100%
• Amplitude Levels 100%
• Amplitude-dependent 100%
• CFD Simulation 100%
• Gas Turbine Combustor 100%
• Thermoacoustics 100%
• Premixed Gas 100%
• Lean Premixed 100%
• Amplitude Damping 100%
• Thermoacoustic Oscillation 100%
• Combustion Chamber 50%
• Flow Field 50%
• Transversal 50%
• Limit Cycle 50%
• Growth Rate 50%
• Eigenmodes 50%
• Finite Element Method 50%
• Numerical Investigation 50%
• Computational Fluid Dynamics 50%
• Reference State 50%
• Mean Flow 50%
• Computational Aeroacoustics 50%
• Pulse Frequency 50%
• Backflow 50%
• Heat Release 50%
• Limit Cycle Oscillation 50%
• Unsteady Reynolds-averaged Navier-Stokes Equations 50%
• Average Flow 50%
• OH* Chemiluminescence 50%
• Vorticity 50%
• Stability Behavior 50%
• Flow Field Evolution 50%
• Flame Evolution 50%
• Thermoacoustic System 50%
• Flame-acoustic Interaction 50%
• Screech 50%
• Mean Flow Field 50%
• Forcing Amplitude 50%
• Linearized Flow 50%
• Acoustic Amplitude 50%
• Flow Equation 50%

Engineering

• Computational Fluid Dynamics 100%
• Gas Turbine Combustors 100%
• Flow Distribution 100%
• Amplitude Level 66%
• Eigenfrequencies 66%
• Limit Cycle 66%
• Combustion Chamber 66%
• Eigenmode 33%
• Heat Release 33%
• Reynolds-Averaged Navier-Stokes 33%
• Reference State 33%
• Forcing Amplitude 33%
• Flow Equation 33%
• Finite Element Analysis 33%
• Navier-Stokes Equation 33%
• Vorticity 33%