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