• Weapon Systems, Semester 2, position 2

Study of methods of solving the basic task of interior ballistics and ballistic design. The study of the basic characteristics of special types of weapons. Consideration of methodology of interior ballistic tests.

Mastering the calculation of direct and indirect task of interior ballistics of various types of weapons, and the methodology of interior ballistic tests.

Introduction to interior ballistics. Gun propellants and their characteristics. Basic processes and laws during firing. Solution of the basic task of interior ballistics (Task statement. The analytical method of solving. Propellant gas temperature calculation. Tabular method of solving the basic task of interior ballistics). Ballistic design. The solution of the task of internal ballistics for the combined (howitzer) charge. Interior ballistics of recoilless weapons. Interior ballistics of mortars. The introduction of interior ballistic corrections (Ermolaev method). Interior ballistic tests (objective, classification and measuring parameters). Interior ballistic test preparation. Pressure measurement. Measurement of gun muzzle velocity. Measuring of recoil system impulse.

Production of gunpowder. Basic processes and laws during firing. Solution of the basic task of interior ballistics (Task statement. The analytical method of solving. Propellant gas temperature calculation. Tabular method of solving the basic task of interior ballistics). Interior ballistic design (Task of gun tube design. Interior ballistic characteristic of weapons. General dependence of structural tube characteristics on charge conditions. Directive diagram and its analysis). The solution of the task of interior ballistics for the combined (howitzer) charge. Introduction of interior ballistic corrections (Ermolaev method).

Passed exams (preferred): Thermodynamics B, Fundamentals of Projectiles Propulsion, Physics of Explosive Processes

1. Interior ballistic design tables 2. Correctional coefficients tables

Total assigned hours: 45

New material: 12
Elaboration and examples (recapitulation): 6

Auditory exercises: 4
Laboratory exercises: 0
Calculation tasks: 4
Seminar paper: 0
Project: 10
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: 0
Review and grading of the project: 2
Test: 2
Test: 0
Final exam: 5

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

Jaramaz, S, Mickovic, D.: Interior ballistics, Faculty of Mechanical Engineering, Belgrade, 2011.