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