Lecture 38 of 41Rocket Propulsion
Mechanisms Causing Instabilities and Strategies for Avoiding Combustion Instability
Prof. K. Ramamurthi · IIT Madras
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- Rocket Propulsion, IIT Madras (at NPTEL)
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- CC BY-NC-SA, as NPTEL states it. Non-commercial use only.
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- NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
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All the lectures
- Introduction
- Motion in Space
- Rotational Frame of Reference and Orbital Velocities
- Velocity Requirements
- Theory of Rocket Propulsion
- Rocket Equation and Staging of Rockets
- Review of Rocket Principles; Propulsion Efficiency
- Examples Illustrating Theory of Rocket Propulsion and Introduction to Nozzles
- Theory of Nozzles
- Nozzle Shape
- Area Ratio of Nozzles; Under-expansion and Over-expansion
- Characteristic Velocity and Thrust Coefficient
- Divergence Loss in Conical Nozzles and the Bell Nozzle
- Unconventional Nozzles and Problems in Nozzles
- Criterion for Choice of Chemical Propellants
- Choice of Fuel-Rich Propellants
- Performance Prediction Analysis
- Dissociation of Products of Combustion
- Shifting Equilibrium and Frozen Flow in Nozzles
- Factors Influencing Choice of Chemical Propellants
- Low Energy Liquid Propellants and Hybrid Propellants
- Introduction to Solid Propellant Rockets
- Burn Rate of Solid Propellants and Equilibrium Pressure in Solid Propellant Rockets
- Design Aspects of Solid Propellant Rockets
- Burning Surface Area of Solid Propellant Grains
- Ignition of Solid Propellant Rockets
- Review of Solid Propellant Rockets
- Feed Systems for Liquid Propellant Rockets
- Feed System Cycles for Pump Fed Liquid Propellant Rockets
- Analysis of Gas Generator and Staged Combustion Cycles and Introduction to Injectors
- Injectors, Cooling of Chamber and Mixture Ratio Distribution
- Efficiencies due to Mixture Ratio Distribution and Incomplete Vaporization
- Pumps and Turbines; Propellant Feed System at Zero “g” Conditions
- Review of Liquid Bi-propellant Rockets and Introduction to Mono-propellant Rockets
- Introduction to Hybrid Rockets and a Simple Illustration of Combustion Instability in Liquid Propellant Rockets
- Combustion Instability in Solid Propellant and Liquid Propellant Rockets – Bulk and Wave Modes
- Wave modes of Oscillation
- Mechanisms Causing Instabilities and Strategies for Avoiding Combustion Instability
- Electric and Magnetic Fields and the Electrostatic Thruster
- Electrical Thrusters
- Advances in Rocket Propulsion