Acoustic Instabilities in Aerospace Propulsion

Lecture 1 - Introduction to Thermoacoustic Instabilities

Lecture 2 - Part I : Introduction to Acoustics Part II : Conservation Equations

Lecture 3 - Wave Equation and its Solution in Time Domain

Lecture 4 - Part I : Harmonic Waves Part II : Acoustic Energy Corollory

Lecture 5 - Standing Waves - 1

Lecture 6 - Standing Waves - 2

Lecture 7 - Power Flow and Acoustic Admittance

Lecture 8 - Impedance Tube Technique

Lecture 9 - Admittance and Standing Waves

Lecture 10 - Admittance, Stability and Attenuation

Lecture 11 - Attenuation : Continued Sound Propagation Through Inhomogeneous Media - 1

Lecture 12 - Sound Propagation Through Inhomogeneous Media - 2

Lecture 13 - Sound Propagation Through Inhomogeneous Media - 3

Lecture 14 - Multidimensional Acoustic Fields - 1

Lecture 15 - Multidimensional Acoustic Fields - 2

Lecture 16 - Interaction between Sound and Combustion

Lecture 17 - Reference Books Derivation of Rayleigh Criteria

Lecture 18 - Effect of Heat release on the Acoustic Field

Lecture 19 - Modal Analysis of Thermoacoustic Instability - 1

Lecture 20 - Modal Analysis of Thermoacoustic Instability - 2

Lecture 21 - Active Control of Thermoacoustic Instability

Lecture 22 - Toy model for a Rijke tube in Time Domain

Lecture 23 - Galerkin Technique for Thermoacoustics

Lecture 24 - Evolution Equation for Thermoacoustics

Lecture 25 - Non linear analysis of Thermoacoustic Instability

Lecture 26 - Non-normality, Transient Growth and Triggering Instability - 1

Lecture 27 - Non-normality, Transient Growth and Triggering Instability - 2

Lecture 28 - Non-normality, Transient Growth and Triggering Instability - 3

Lecture 29 - Bifurcations

Lecture 30 - Premixed Flame Acoustic Interaction - 1

Lecture 31 - Premixed Flame Acoustic Interaction - 2

Lecture 32 - Combustion instability due to Equivalence Ratio Fluctuation

Lecture 33 - Role of Hydrodynamic Instabilities - 1

Lecture 34 - Role of Hydrodynamic Instabilities - 2

Lecture 35 - Role of Hydrodynamic Instabilities - 3

Lecture 36 - Active Control of Thermoacoustic Instability Revisited

Lecture 37 - Solid Propellant Combustion Instability - 1

Lecture 38 - Solid Propellant Combustion Instability - 2

Lecture 39 - Response of a Diffusion Flame to Acoustic Oscillations - 1

Lecture 40 - Response of a Diffusion Flame to Acoustic Oscillations - 2

Lecture 41 - Response of a Diffusion Flame to Acoustic Oscillations - 3