# PROPULSION 2:
UNIT IV – LIQUID AND HYBRID ROCKET PROPULSION
- Salient Features of Liquid Propellant Rockets
- Selection Criteria of Liquid Propellants
- Various Feed Systems Of Liquid Propellant Rockets
- Injectors – Liquid Propellant Rockets
- Thrust Control
- Cooling in Liquid Propellant Rockets
- The Associated Heat Transfer Problems
- Combustion Instability in Liquid Propellant Rockets
- Peculiar Problems Associated with Operation of Cryogenic Engines
- Introduction to Hybrid Rocket Propulsion
- Standard and Reverse Hybrid Systems
- Combustion Mechanism in Hybrid Propellant Rockets
- Applications and Limitations
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