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ROCKET PROPULSION.pdf

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ROCKET PROPULSION.pdf

  1. 1. ROCKET PROPULSION Speaker: Vani Sadadiwala About: Pursuing MSc in Aerospace Engineering from The University of Manchester, UK
  2. 2. TOPICS TO BE COVERED DURING THE TALK Introduction History of Rockets Methods of Modern Rocket Propulsion Different Nozzle configurations Rocket Staging Summary
  3. 3. INTRODUCTION Rocket Propulsion: A type of jet propulsion which produces thrust by ejecting the matter(propellant) stored inside the vehicle which is flying. Duct Propulsion: Includes Ramjets, Turbojets. A type of jet Propulsion which uses air-breathing engines.
  4. 4. HISTORY OF ROCKETS Three early Rockets 1. Archytas’s wooden bird 2. Alexandria’s Aeoliphile 3. Chinese invented Bamboo rockets
  5. 5. METHODS OF MODERN PROPULSION Solid Propellant Rocket Liquid Propellant Rocket Hybrid Propellant Rocket Electric Propellant Rocket Nuclear Propellant Rocket
  6. 6. SOLID PROPELLANT ROCKET • Fuel and oxidizer are mixed together. • Ignition of mixture leads to combustion in CC. • Resulting got gases flow through nozzle to impart thrust. • No need of valves.
  7. 7. TYPES OF BURNING 1. Restricted • Usually throughout the whole solid cylinder 2. Unrestricted • On the surfaces of the cylinder
  8. 8. • Liquid propellant consists of Liquid FUEL and Liquid OXIDIZER. • Propellants are reacted to form hot gases which are accelerated and ejected at high velocity through nozzle. • Parts include: Valves, Complex feed mechanism, Pumps, turbines, Chambers LIQUID PROPELLANT ROCKET
  9. 9. • Uses both solid and liquid as a propellant. • Example: Liquid oxidizer and solid fuel • A pressure vessel is included which consists of liquid propellant. • CC consists of Solid propellant. HYBRID PROPELLANT ROCKET
  10. 10. • Requires heavy power sources. • There are 3 types: Electrothermal, Electrostatic, Electromagnetic • Thrust obtained seems to be very low. ELECTRIC PROPELLANT ROCKET
  11. 11. • Fission and Fusion reactors are used as an energy sources. • In nuclear fission, heat is generated by fission of uranium. • Fusion is the alternative way to generate energy in order to provide heat to the working fluid. NUCLEAR PROPELLANT ROCKET
  12. 12. Nozzle configurations Bell- Minimal weight and maximum performance Contoured CD Cone- Axial flow throughout. Linear Conical Annular- Least employed due to greater complexity Spike, Aeroplane, Plug, Expansion
  13. 13. • Two types of staging. 1. Serial Staging 2. Parallel Staging ROCKET STAGING
  14. 14. SUMMARY The types of rocket can be classified based on the propellants used. The nozzle configurations are different based upon their shape and size. The staging of rockets is categorized into 2 types depending upon the release of stages.
  15. 15. THANK YOU Vani Sadadiwala vanisadadiwala82@gmail.com www.linkedin.com/in/vani- bhaveshkumar-sadadiwala-2408

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