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Acoustic Instabilities in Aerospace Propulsion

IIT Madras, , Prof. R.I. Sujith

Updated On 02 Feb, 19

Overview

Contents:
Introduction to acoustics and combustion driven oscillations - Derivation of the wave equation - Traveling wave solutions - Acoustic energy corollary - Impedance & admittance - Standing wave solutions - Reflection and transmission - Impedance tube technique.

Effect of area and temperature variation on wave propagation - Wave equation in cylindrical co-ordinates and its applications - Basic principles of combustion driven oscillations - Rayleigh criteria - Mechanisms for instability in solid and liquid rockets, ramjets, gas turbines - Pulse combustors and their analysis using Galerkin technique - Modal analysis - Nonmodal stability analysis - Passive and active control of combustion instability.

Includes

Lecture 38: Solid Propellant Combustion Instability - 2

4.1 ( 11 )


Lecture Details

Acoustic Instabilities in Aerospace Propulsion by Prof. R.I. Sujith, Department of Aerospace Engineering, IIT Madras. For more details on NPTEL visit httpnptel.iitm.ac.in

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Comments
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Sam

Excellent course helped me understand topic that i couldn't while attendinfg my college.

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Dembe

Great course. Thank you very much.

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