Overview of the Book:
The book provides a thorough understanding of aerothermodynamics and the physics governing rocket engines. It covers a range of propulsion technologies, including solid, liquid, hybrid, and electric propulsion systems, making it a comprehensive resource for aerospace engineers, researchers, and students.
Key Topics Discussed:
Basic Principles of Rocket Propulsion:
- Newton’s laws of motion and their application to rockets.
- Conservation of momentum and how it applies to propulsion.
- The rocket equation, which dictates the relationship between velocity, fuel, and efficiency.
Thermodynamics & Aerodynamics:
- The role of aerothermodynamics in propulsion.
- The behavior of gases in combustion chambers.
- Heat transfer, exhaust flow, and efficiency considerations.
Types of Propellant Systems:
- Solid Propellant Rockets: Simple, reliable, commonly used in military applications and space boosters.
- Liquid Propellant Rockets: More efficient and controllable, used in launch vehicles like Saturn V.
- Hybrid Rockets: Combining aspects of both solid and liquid propulsion for increased control.
- Electric Propulsion: Advanced ion propulsion for deep-space missions, such as those used on NASA spacecraft.
Nozzle Design & Performance:
- The use of de Laval nozzles to accelerate exhaust gases to supersonic speeds.
- Expansion ratios and optimization for atmospheric and vacuum conditions.
Rocket Performance Metrics:
- Thrust – The force generated by expelling mass at high velocity.
- Specific Impulse (Isp) – A measure of fuel efficiency.
- Burn rate and combustion efficiency in different propulsion systems.
Applications in Space Science & Industry:
- Applications of different propulsion technologies in satellite launches, planetary exploration, and interstellar missions.
- Case studies on modern space propulsion developments, including SpaceX, NASA, and ISRO.
Why This Book is Important:
D.P. Mishra’s approach makes the subject accessible while maintaining mathematical and theoretical rigor. It is ideal for those aiming to work in aerospace engineering or research, providing a clear foundation for designing and analyzing propulsion systems.