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Acoustic Instabilities in Aerospace Propulsion
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Acoustic Instabilities in Aerospace Propulsion
by Prof. R.I. Sujith

Abstract. Combustion-acoustic. instabilities occur when the. acoustic energy increase due to the unsteady heat release of the flame is greater than the losses of acoustic energy from the system....

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About This Course

Abstract. Combustion-acoustic. instabilities occur when the. acoustic energy increase due to the unsteady heat release of the flame is greater than the losses of acoustic energy from the system....

Course Curriculum
41 Sections | 41 Lecture | 33h 25min total length
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Acoustic Instabilities in Aerospace Propulsion

Lecture 1

| 50min 19sec total length
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    Lecture 1 : Introduction to Thermoacoustic Instabilities

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Acoustic Instabilities in Aerospace Propulsion

Lecture 2

| 50min 19sec total length
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    Lecture 2 : Part I : Introduction to Acoustics Part II : Conservation?

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Acoustic Instabilities in Aerospace Propulsion

Lecture 3 : Wave Equation and its Solution in Time Domaincs

| 52min 14sec total length
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    Wave Equation and its Solution in Time Domain

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Acoustic Instabilities in Aerospace Propulsion

Lecture 4

| 49min 47sec total length
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    Harmonic Waves Part II : Acoustic Energy Corollory

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Acoustic Instabilities in Aerospace Propulsion

Lecture 5

| 49min 38sec total length
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    Standing Waves

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Acoustic Instabilities in Aerospace Propulsion

LECTURE 6

| 51min 33sec total length
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    Standing Waves -- 2

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Acoustic Instabilities in Aerospace Propulsion

Lecture 7

| 50min 30sec total length
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    Power Flow and Acoustic Admittance

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Acoustic Instabilities in Aerospace Propulsion

Lecture 8

| 48min 59sec total length
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    Impedance Tube Technique

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Acoustic Instabilities in Aerospace Propulsion

Lecture 9

| 48min 59sec total length
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    Admittance and Standing Waves

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Acoustic Instabilities in Aerospace Propulsion

Lecture 10

| 47min 57sec total length
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    ?Admittance,Stability and Attenuation

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Acoustic Instabilities in Aerospace Propulsion

Lecture 11

| 51min 27sec total length
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    Attenuation : Continued Sound Propagation Through Inhomogeneous Media - 1

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Acoustic Instabilities in Aerospace Propulsion

Lecture 12

| 49min 37sec total length
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    Sound Propagation Through Inhomogeneous Media - 2

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Acoustic Instabilities in Aerospace Propulsion

Lecture 13

| 49min 11sec total length
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    Sound Propagation Through Inhomogeneous Media - 3

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Acoustic Instabilities in Aerospace Propulsion

Lecture 14

| 50min 34sec total length
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    Multidimensional Acoustic Fields - 1

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Acoustic Instabilities in Aerospace Propulsion

Lecture 15

| 49min 30sec total length
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    Multidimensional Acoustic Fields - 2

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Acoustic Instabilities in Aerospace Propulsion

Lecture 16

| 48min 59sec total length
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    Interaction between Sound and Combustion

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Acoustic Instabilities in Aerospace Propulsion

Lecture 17

| 48min 59sec total length
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    Reference Books Derivation of Rayleigh Criteria

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Acoustic Instabilities in Aerospace Propulsion

Lecture 18

| 49min 03sec total length
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    Effect of Heat release on the Acoustic Field

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Acoustic Instabilities in Aerospace Propulsion

Lecture 19

| 48min 40sec total length
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    Modal Analysis of Thermoacoustic Instability - 1

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Acoustic Instabilities in Aerospace Propulsion

Lecture 20

| 43min 32sec total length
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    ?Modal Analysis of Thermoacoustic Instability - 2

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Acoustic Instabilities in Aerospace Propulsion

Lecture 21

| 50min 42sec total length
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    Active Control of Thermoacoustic Instability

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Acoustic Instabilities in Aerospace Propulsion

Lecture 22

| 53min 21sec total length
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    ?Toy model for a Rijke tube in Time Domain

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Acoustic Instabilities in Aerospace Propulsion

Lecture 23

| 46min 37sec total length
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    Galerkin Technique for Thermoacoustics

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Acoustic Instabilities in Aerospace Propulsion

Lecture 24

| 50min 09sec total length
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    Evolution Equation for Thermoacoustics

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Acoustic Instabilities in Aerospace Propulsion

Lecture 25

| 50min 11sec total length
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    ?Non linear analysis of Thermoacoustic Instability

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Acoustic Instabilities in Aerospace Propulsion

Lecture 26

| 46min 57sec total length
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    Non-normality, Transient Growth and Triggering Instability - 1

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Acoustic Instabilities in Aerospace Propulsion

Lecture 27

| 49min 15sec total length
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    Non-normality, Transient Growth and Triggering Instability - 2

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Acoustic Instabilities in Aerospace Propulsion

Lecture 28

| 50min 50sec total length
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    Non-normality, Transient Growth and Triggering Instability - 3

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Acoustic Instabilities in Aerospace Propulsion

Lecture 29

| 49min 06sec total length
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    ?Bifurcations

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Acoustic Instabilities in Aerospace Propulsion

Lecture 30

| 48min 23sec total length
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    Premixed Flame Acoustic Interaction - 1

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Acoustic Instabilities in Aerospace Propulsion

Lecture 31

| 45min 11sec total length
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    Premixed Flame Acoustic Interaction - 2

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Acoustic Instabilities in Aerospace Propulsion

Lecture 32

| 50min 17sec total length
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    Combustion instability due to Equivalence Ratio Fluctuation

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Acoustic Instabilities in Aerospace Propulsion

Lecture 33

| 47min 07sec total length
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    ?Role of Hydrodynamic Instabilities - 1

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Acoustic Instabilities in Aerospace Propulsion

Lecture 34

| 47min 07sec total length
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    Role of Hydrodynamic Instabilities - 2

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Acoustic Instabilities in Aerospace Propulsion

Lecture 35

| 47min 50sec total length
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    ?Role of Hydrodynamic Instabilities - 3

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Acoustic Instabilities in Aerospace Propulsion

Lecture 36

| 52min 05sec total length
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    Active Control of Thermoacoustic Instability Revisited

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Acoustic Instabilities in Aerospace Propulsion

Lecture 37

| 52min 05sec total length
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    Solid Propellant Combustion Instability - 1

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Acoustic Instabilities in Aerospace Propulsion

Lecture 38

| 48min 20sec total length
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    Solid Propellant Combustion Instability - 2

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Acoustic Instabilities in Aerospace Propulsion

Lecture 39

| 43min 35sec total length
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    ?Response of a Diffusion Flame to Acoustic Oscillations -1

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Acoustic Instabilities in Aerospace Propulsion

Lecture 40

| 43min 21sec total length
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    ?Response of a Diffusion Flame to Acoustic Oscillations - 2

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Acoustic Instabilities in Aerospace Propulsion

Lecture 41

| 43min 21sec total length
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    Response of a Diffusion Flame to Acoustic Oscillations - 3

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show 38 more sections