# Acoustic Instabilities in Aerospace Propulsion

- Institution: IIT Madras
- Department: Aerospace Engineering
- Teacher: Prof. R.I. Sujith
- Level: Undergraduate
- Language: English
- Subjects: Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/101106031)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/101106031)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Lecture 1 : Introduction to Thermoacoustic Instabilities](https://invisiblenetwork.ai/learn/nptel/101106031/bfb4a5b0e357) (Video)
2. [Lecture 2 : Part I : Introduction to Acoustics Part II : Conservation Equations](https://invisiblenetwork.ai/learn/nptel/101106031/998ff75c1684) (Video)
3. [Lecture 3 : Wave Equation and its Solution in Time Domain](https://invisiblenetwork.ai/learn/nptel/101106031/a0ccb513e14d) (Video)
4. [Lecture 4 : Part I : Harmonic Waves Part II : Acoustic Energy Corollory](https://invisiblenetwork.ai/learn/nptel/101106031/ecd63f62c665) (Video)
5. [Lecture 5 : Standing Waves](https://invisiblenetwork.ai/learn/nptel/101106031/b948efbf95c7) (Video)
6. [Lecture 6 : Standing Waves - 2](https://invisiblenetwork.ai/learn/nptel/101106031/8490a4d34c5a) (Video)
7. [Lecture 7 : Power Flow and Acoustic Admittance](https://invisiblenetwork.ai/learn/nptel/101106031/442b37966056) (Video)
8. [Lecture 8 : Impedance Tube Technique](https://invisiblenetwork.ai/learn/nptel/101106031/e5c5472fe10d) (Video)
9. [Lecture 9 : Admittance and Standing Waves](https://invisiblenetwork.ai/learn/nptel/101106031/c2a22cfdd7df) (Video)
10. [Lecture 10 : Admittance,Stability and Attenuation](https://invisiblenetwork.ai/learn/nptel/101106031/1f57b6726623) (Video)
11. [Lecture 11 : Attenuation : Continued Sound Propagation Through Inhomogeneous Media - 1](https://invisiblenetwork.ai/learn/nptel/101106031/420b07d2b7d7) (Video)
12. [Lecture 12 : Sound Propagation Through Inhomogeneous Media - 2](https://invisiblenetwork.ai/learn/nptel/101106031/3bf787ef3d1b) (Video)
13. [Lecture 13 : Sound Propagation Through Inhomogeneous Media - 3](https://invisiblenetwork.ai/learn/nptel/101106031/a78ababc82f4) (Video)
14. [Lecture 14 : Multidimensional Acoustic Fields - 1](https://invisiblenetwork.ai/learn/nptel/101106031/4f187aa9211b) (Video)
15. [Lecture 15 : Multidimensional Acoustic Fields - 2](https://invisiblenetwork.ai/learn/nptel/101106031/08c324bd132f) (Video)
16. [Lecture 16 : Interaction between Sound and Combustion](https://invisiblenetwork.ai/learn/nptel/101106031/e2fabe219993) (Video)
17. [Lecture 17 : Reference Books Derivation of Rayleigh Criteria](https://invisiblenetwork.ai/learn/nptel/101106031/60eabeef8966) (Video)
18. [Lecture 18 : Effect of Heat release on the Acoustic Field](https://invisiblenetwork.ai/learn/nptel/101106031/fceba268ed6d) (Video)
19. [Lecture 19 : Modal Analysis of Thermoacoustic Instability - 1](https://invisiblenetwork.ai/learn/nptel/101106031/bf6846869b98) (Video)
20. [Lecture 20 : Modal Analysis of Thermoacoustic Instability - 2](https://invisiblenetwork.ai/learn/nptel/101106031/7deb120f8a4e) (Video)
21. [Lecture 21 : Active Control of Thermoacoustic Instability](https://invisiblenetwork.ai/learn/nptel/101106031/09b4a699d15f) (Video)
22. [Lecture 22 : Toy model for a Rijke tube in Time Domain](https://invisiblenetwork.ai/learn/nptel/101106031/eaa7859c9764) (Video)
23. [Lecture 23 : Galerkin Technique for Thermoacoustics](https://invisiblenetwork.ai/learn/nptel/101106031/51dfe2f3120b) (Video)
24. [Lecture 24 : Evolution Equation for Thermoacoustics](https://invisiblenetwork.ai/learn/nptel/101106031/8ca443bcdb1d) (Video)
25. [Lecture 25 : Non linear analysis of Thermoacoustic Instability](https://invisiblenetwork.ai/learn/nptel/101106031/2e1493e93f9d) (Video)
26. [Lecture 26 : Non-normality, Transient Growth and Triggering Instability - 1](https://invisiblenetwork.ai/learn/nptel/101106031/f7229cbd02ff) (Video)
27. [Lecture 27 : Non-normality, Transient Growth and Triggering Instability - 2](https://invisiblenetwork.ai/learn/nptel/101106031/5c86c5c09b2b) (Video)
28. [Lecture 28 : Non-normality, Transient Growth and Triggering Instability - 3](https://invisiblenetwork.ai/learn/nptel/101106031/718fef66b755) (Video)
29. [Lecture 29 : Bifurcations](https://invisiblenetwork.ai/learn/nptel/101106031/e59e54ca2d57) (Video)
30. [Lecture 30 : Premixed Flame Acoustic Interaction - 1](https://invisiblenetwork.ai/learn/nptel/101106031/e74724645a9c) (Video)
31. [Lecture 31 : Premixed Flame Acoustic Interaction - 2](https://invisiblenetwork.ai/learn/nptel/101106031/d5b8d4a53b6f) (Video)
32. [Lecture 32 : Combustion instability due to Equivalence Ratio Fluctuation](https://invisiblenetwork.ai/learn/nptel/101106031/c5929321d186) (Video)
33. [Lecture 33 : Role of Hydrodynamic Instabilities - 1](https://invisiblenetwork.ai/learn/nptel/101106031/1b70e543f26d) (Video)
34. [Lecture 34 : Role of Hydrodynamic Instabilities - 2](https://invisiblenetwork.ai/learn/nptel/101106031/4765cff06f75) (Video)
35. [Lecture 35 : Role of Hydrodynamic Instabilities - 3](https://invisiblenetwork.ai/learn/nptel/101106031/fa4597ed41b8) (Video)
36. [Lecture 36 : Active Control of Thermoacoustic Instability Revisited](https://invisiblenetwork.ai/learn/nptel/101106031/0b2c46c02599) (Video)
37. [Lecture 37 : Solid Propellant Combustion Instability - 1](https://invisiblenetwork.ai/learn/nptel/101106031/268e26e1db75) (Video)
38. [Lecture 38 : Solid Propellant Combustion Instability - 2](https://invisiblenetwork.ai/learn/nptel/101106031/97117d26f523) (Video)
39. [Lecture 39 : Response of a Diffusion Flame to Acoustic Oscillations -1](https://invisiblenetwork.ai/learn/nptel/101106031/68df95c4890f) (Video)
40. [Lecture 40 : Response of a Diffusion Flame to Acoustic Oscillations - 2](https://invisiblenetwork.ai/learn/nptel/101106031/fe168e8b5aba) (Video)
41. [Lecture 41 : Response of a Diffusion Flame to Acoustic Oscillations - 3](https://invisiblenetwork.ai/learn/nptel/101106031/517c924bc328) (Video)