JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Pre-Requisites

Nil

Course Objectives:

• Evaluate various space missions, parameters to be considered for designing trajectories and rocket mission profiles
• Understand the fundamentals of chemical rocket propulsion, types of igniters and performance considerations of rockets.
• Discuss the working principle of solid and liquid propellant rockets and gain basic knowledge of hybrid rocket propulsion.
• Illustrate electric propulsion techniques, ion and nuclear rocket and the performances of different advanced propulsion systems.

Course Outcomes:

• Propulsion system in rockets and missiles
• Type of trajectory and orbits

UNIT - I

Principles of Rocket Propulsion: History of rockets, Newtons third law, orbits and space flight, types of orbits, basic orbital equations, elliptical transfer orbits, launch trajectories, the velocity increment needed for launch, the thermal rocket engine, concepts of vertical takeoff and landing, SSTO and TSTO, launch assists.

UNIT - II

Fundamentals of Rocket Propulsion: Operating principle, Rocket equation, Specific impulse of a rocket, internal ballistics, Rocket nozzle classification, Rocket performance considerations of rockets, types of igniters, preliminary concepts in nozzle less propulsion, air augmented rockets, pulse rocket motors, static testing of rockets and instrumentation, safety considerations.

UNIT - III

Solid Rocket Propulsion: Salient features of solid propellant rockets, selection criteria of solid propellants, estimation of solid propellant adiabatic flame temperature, propellant grain design considerations. Erosive burning in solid propellant rockets, combustion instability, strand burner and T- burner, applications and advantages of solid propellant rockets.

UNIT - IV

Liquid and Hybrid Rocket Propulsion: Salient features of liquid propellant rockets, selection of liquid propellants, various feed systems and injectors for liquid propellant rockets, thrust control cooling in liquid propellant rockets and 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.

UNIT - V

Advanced Propulsion Techniques: Electric rocket propulsion, types of electric propulsion techniques, Ion propulsion, Nuclear rocket, comparison of performance of these propulsion systems with chemical rocket propulsion systems, future applications of electric propulsion systems, Solar sail.

R18 B.TECH AERONAUTICAL ENGG. III YEAR

TEXT BOOKS:

• 1. Hill, P.G. and Peterson, C.R., ―Mechanics and Thermodynamics of Propulsionǁ, 2nd Edition, Addison Wesley, 1992.
• 2. Turner, M. J. L., ―Rocket and Spacecraft Propulsionǁ, 2nd Edition, MIT Press, 1922.
• 3. Hieter and Pratt, ―Hypersonic Air breathing propulsionǁ 5th Edition, 1993.

REFERENCE BOOKS:

• 1. Sutton, G.P., ―Rocket Propulsion Elementsǁ John Wiley & Sons Inc., New York, 5th Edition, 1993.
• 2. Mathur, M. L., and Sharma, R.P., ―Gas Turbine, Jet and Rocket Propulsionǁ, Standard Publishers and Distributors, Delhi, 1988.
• 3. Tajmar, M., Advanced Space Propulsion Systems, Springer 2003 R18 B.TECH AERONAUTICAL ENGG. III YEAR