• Aviation, Semester 1, position 5
• Weapon Systems, Semester 1, position 5

Introducing students with rocket motor with solid and liquid propellant. Students are introduced with different types of rocket motors, their theoretical basis and performances. Experimental part consists of engine test demonstration and determination of burning velocity of rocket motor with solid propellant.

By mastering the curriculum a student gains specific skills: -knowledge and understanding of rocket motors -calculation of rocket motor performances -design of geometry of propellant grain of solid rocket motor

• Area of application of rocket motors • Types of rocket motors and method of functioning • Performances of ideal rocket motor • Processes in combustion chamber and nozzle • Real performances of rocket motor with solid propellant •Determination of parametric dependence of burning velocity of rocket motor with solid propellant • Design methodology of rocket motor with solid propellant • Selection criteria of pressure in combustion chamber • Basic shapes of propellant grain • Internal ballistics of rocket motor with solid propellant • Determination of analytical expression for heat flux at combustion chamber and nozzle • Heat transfer and thermal protection • Physical model of erosive burning • Rocket engines with liquid propellants (characteristics, design and performances)

• Area of application of rocket motors -Analysis of application of jet motors • Types of rocket motors and method of functioning -Analysis of chosen world rocket motors • Performances of ideal rocket motor -Numerical example of calculation of performances of ideal rocket motor • Processes in combustion chamber and nozzle -Numerical example of calculation of processes in combustion chamber and nozzle • Real performances of rocket motor with solid propellant -Numerical example of calculation of performances of real rocket motor •Determination of parametric dependence of burning velocity of rocket motor with solid propellant -Demonstration of rocket motor with solid propellant test. Analysis of test data and determination of burning rate law. • Design methodology of rocket motor with solid propellant -Seminary work: Design of rocket motor with solid propellant • Selection criteria of pressure in combustion chamber -Seminary work: Design of rocket motor with solid propellant • Basic shapes of propellant grain -Seminary work: Design of rocket motor with solid propellant-choice of geometry of propellant grain • Internal ballistics of rocket motor with solid propellant -Seminary work: Design of rocket motor with solid propellant-internal ballistics • Determination of analytical expression for heat flux at combustion chamber and nozzle -Seminary work: Design of rocket motor with solid propellant-heat transfer • Heat transfer and thermal protection -Seminary work: Design of rocket motor with solid propellant-calculation of nozzle wall temperature • Physical model of erosive burning -Seminary work: Design of rocket motor with solid propellant-erosive burning rate

There are no necessary conditions for attending the subject.

1.Additional materials (lecture hand-writings) 2.Jet Propulsion Laboratory of EDePro company, Belgrade 3.Commercial software for calculation for rocket motor performances

Total assigned hours: 75

New material: 25
Elaboration and examples (recapitulation): 5

Auditory exercises: 5
Laboratory exercises: 10
Calculation tasks: 5
Seminar paper: 10
Project: 0
Consultations: 0
Discussion/workshop: 0
Research study work: 0

Review and grading of calculation tasks: 0
Review and grading of lab reports: 0
Review and grading of seminar papers: 5
Review and grading of the project: 0
Test: 5
Test: 0
Final exam: 5

Activity during lectures: 10
Test/test: 20
Laboratory practice: 20
Calculation tasks: 0
Seminar paper: 20
Project: 0
Final exam: 30
Requirement for taking the exam (required number of points): 25

В.Е. Алемасов, Дрегалин А.Ф,Theory of Rocket Motors,1980.; Баррер М., Rocket Motors,1962.; Dieter T. Huzel, David H. Huang, Design of Liquid propellant rocket engines,1967.; Фахрутдинов И.Х., Котельников А.В., Construction and design of Solid propellant rocket motors,1987.; Manual for design of Sounding rockets, Part 2, B.Jojic, Dj. Blagojevic, A.Pantovic, V.Milosavljevic,1978.