Hybrid Rocket Propulsion

Course Outline

  • Introduction, Classification, and Advantages of Hybrids

  • Similarity and Scale Effects in Hybrid Rocket Motors

  • Analytical Models for Hybrid Rockets

  • Vortex Injection Hybrid Rockets

  • High Speed Flow Effects in Hybrid Rockets

  • Review of Solid-Fuel Regression Rate Behavior in Classical and Non-Classical Hybrid Rocket Motors

  • Solid Fuel Pyrolysis Phenomena and Regression Rate: Mechanisms & Measurement Techniques

  • Propellant Burn Rate

  • Enthalpy Balance Model

  • Correlation of Heat Transfer to Skin Friction (Reynolds Analogy)

  • Longitudinally Averaged Skin Friction

  • Mixture Ratio as a Function of Burn Rate

  • Effect of Port Length on Mixture Ratio

  • Metals, Other Energetic Additives, and Special Binders Used in Solid Fuels for Hybrid Rocket

  • Applications

  • Combustion Instability and Transient Behavior in Hybrid Rocket Motors

  • Large-Scale Hybrid Motor Testing

  • N2O/HTPB Hybrid example

  • Introduction to Chemical Equilibrium Analysis with Applications Code (Cequel/CEA)

  • Exhaust Gas Properties as a Function of Mixture Ratio

  • Transient Response

  • Correlation of Burn Rate to Oxidizer Mass Velocity

  • Hybrid Rocket Throttling and its Applications

  • Flight Testing of Hybrid Powered Vehicles

  • Challenges of Hybrid Rocket Propulsion in the 21st Century

University of Tennessee Space Institute