Aerospace - Acoustic Instabilities in Aerospace Propulsion (English)

   Tuesday, March 25, 2025   

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Lecture 1: Mod-01 Lec-01 Lecture 1 : Introduction to Thermoacoustic Instabilities

Lecture 2: Mod-01 Lec-02 Lecture 2 : Part I : Introduction to Acoustics Part II : Conservation Equations

Lecture 3: Mod-01 Lec-03 Lecture 3 : Wave Equation and its Solution in Time Domain

Lecture 4: Mod-01 Lec-04 Lecture 4 : Part I : Harmonic Waves Part II : Acoustic Energy Corollory

Lecture 5: Mod-01 Lec-05 Lecture 5 : Standing Waves

Lecture 6: Mod-01 Lec-06 Lecture 6 : Standing Waves -- 2

Lecture 7: Mod-01 Lec-07 Lecture 7 : Power Flow and Acoustic Admittance

Lecture 8: Mod-01 Lec-08 Lecture 8 : Impedance Tube Technique

Lecture 9: Mod-01 Lec-09 Lecture 9 : Admittance and Standing Waves

Lecture 10: Mod-01 Lec-10 Lecture 10 : Admittance,Stability and Attenuation

Lecture 11: Mod-01 Lec-11 Lecture 11 : Attenuation : Continued Sound Propagation Through Inhomogeneous Media - 1

Lecture 12: Mod-01 Lec-12 Lecture 12 : Sound Propagation Through Inhomogeneous Media - 2

Lecture 13: Mod-01 Lec-13 Lecture 13 : Sound Propagation Through Inhomogeneous Media - 3

Lecture 14: Mod-01 Lec-14 Lecture 14 : Multidimensional Acoustic Fields - 1

Lecture 15: Mod-01 Lec-15 Lecture 15 : Multidimensional Acoustic Fields - 2

Lecture 16: Mod-01 Lec-16 Lecture 16 : Interaction between Sound and Combustion

Lecture 17: Mod-01 Lec-17 Lecture 17 : Reference Books Derivation of Rayleigh Criteria

Lecture 18: Mod-01 Lec-18 Lecture 18 : Effect of Heat release on the Acoustic Field

Lecture 19: Mod-01 Lec-19 Lecture 19 : Modal Analysis of Thermoacoustic Instability - 1

Lecture 20: Mod-01 Lec-20 Lecture 20 : Modal Analysis of Thermoacoustic Instability - 2

Lecture 21: Mod-01 Lec-21 Lecture 21 : Active Control of Thermoacoustic Instability

Lecture 22: Mod-01 Lec-22 Lecture 22 : Toy model for a Rijke tube in Time Domain

Lecture 23: Mod-01 Lec-23 Lecture 23 : Galerkin Technique for Thermoacoustics

Lecture 24: Mod-01 Lec-24 Lecture 24 : Evolution Equation for Thermoacoustics

Lecture 25: Mod-01 Lec-25 Lecture 25 : Non linear analysis of Thermoacoustic Instability

Lecture 26: Mod-01 Lec-26 Lecture 26 : Non-normality, Transient Growth and Triggering Instability - 1

Lecture 27: Mod-01 Lec-27 Lecture 27 : Non-normality, Transient Growth and Triggering Instability - 2

Lecture 28: Mod-01 Lec-28 Lecture 28 : Non-normality, Transient Growth and Triggering Instability - 3

Lecture 29: Mod-01 Lec-29 Lecture 29 : Bifurcations

Lecture 30: Mod-01 Lec-30 Lecture 30 : Premixed Flame Acoustic Interaction - 1

Lecture 31: Mod-01 Lec-31 Lecture 31 : Premixed Flame Acoustic Interaction - 2

Lecture 32: Mod-01 Lec-32 Lecture 32 : Combustion instability due to Equivalence Ratio Fluctuation

Lecture 33: Mod-01 Lec-33 Lecture 33 : Role of Hydrodynamic Instabilities - 1

Lecture 34: Mod-01 Lec-34 Lecture 34 : Role of Hydrodynamic Instabilities - 2

Lecture 35: Mod-01 Lec-35 Lecture 35 : Role of Hydrodynamic Instabilities - 3

Lecture 36: Mod-01 Lec-36 Lecture 36 : Active Control of Thermoacoustic Instability Revisited

Lecture 37: Mod-01 Lec-37 Lecture 37 : Solid Propellant Combustion Instability - 1

Lecture 38: Mod-01 Lec-38 Lecture 38 : Solid Propellant Combustion Instability - 2

Lecture 39: Mod-01 Lec-39 Lecture 39 : Response of a Diffusion Flame to Acoustic Oscillations -1

Lecture 40: Mod-01 Lec-40 Lecture 40 : Response of a Diffusion Flame to Acoustic Oscillations - 2

Lecture 41: Mod-01 Lec-41 Lecture 41 : Response of a Diffusion Flame to Acoustic Oscillations - 3