AS4007 Chemical Rocket Technology Syllabus:

AS4007 Chemical Rocket Technology Syllabus – Anna University PG Syllabus Regulation 2021

COURSEOBJECTIVES:

This course will make students
1. To classify the rockets and can develop the thrust equation.
2. To impart knowledge to the students on solid, liquid and hybrid rocket propulsion.
3. To provide knowledge on the types of igniters and injectors used in solid and liquid rocket systems.
4. To conduct various rocket testing and to analyse various modes of combustion instabilities.
5. To describe and understand types of rocket testing, safety and environmental concerns.

UNIT I ROCKET PERFORMANCE

Classification of Rockets – Propellants classification -Thrust equation, specific impulses, total impulse, characteristic velocity – Thrust coefficient – Efficiency: Real and ideal nozzle characteristic, Adiabatic flame temperature and its calculation, Criterion for Choice of propellants.

UNIT II SOLID ROCKET MOTORS

Viscous subsystems of solid rocket motor and their function – Igniters – Type of igniters – Internal ballistics properties– Burning rate – Factor affecting burning rate – Equilibrium Chamber pressure– Propellant grain geometry design, Erosive burning – Pressure vs Time curve- thrust vs time curve – Special problems of solid rocket nozzle – Combustion mechanism of solid propellants – Solid rocket motor design.

UNIT III LIQUID ROCKET ENGINES

Classification of liquid rocket engine –– Injectors and its types – various of types of feeding system – performance and choice of feed system cycle – Propellants tank and propellant slosh – Gas requirement for propellant draining – Thrust chamber – Thrust chamber cooling – Cryogenic propellants – Problems peculiar to cryogenic engine -– Turbo pumps – Ignition system – Combustion of liquid rocket – Thrust chamber design.

UNIT IV HYBRID PROPULSION SYSTEM

Standard and reverse hybrid rocket – Application – Limitation – Advance fuel – Combustion mechanism of hybrid rocket – Regression rate measurement – Methods for improving regression rate.

UNIT V ROCKET TESTING AND COMBUSTION INSTABILITIES

Burning rate measurement techniques – Rocket testing – Static testing of rockets – Instrumentation and safety procedures – Ignition delay testing – Combustion instability – L instability – different modes of combustion instability – Bulk and wave mode of combustion instability in solid and liquid rockets – Pogo instability.

TOTAL :45 PERIODS

COURSE OUTCOMES

At the end of the course, students will be able to
CO1: To identify the rocket propulsion system and its applications.
CO2: Analyze the performance of thrust chambers.
CO3: Describe and classify solid propellant rocket motors and its components.
CO4: Analyse propellants properties and associated physical and chemical processes.
CO5: Describe and classify liquid propellant rocket motors, its components and various associated systems.

REFERENCES:

1. Martin J. Chiaverini& Kenneth K. Kuo, “Fundamentals of Hybrid Rocket Combustion and Propulsion”, Progress in Astronautics and Aeronautics (book218), 1st edition, 2007.
2. Ramamurthi,K, “Rocket Propulsion”, Laxmi Publications Private Limited, 1st edition, 2016.
3. Sutton,GP “Rocket Propulsion Elements”, John Wiley & Sons Inc., New York, 9th Edition, 2016.