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Campus
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SCME
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Programs
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PG
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Session
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Fall Semester 2016
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Course Title
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Ballistics
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Course Code
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CHE – 809
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Credit Hours
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3-0
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Pre-Requisutes
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Course Objectives
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To impart the important characteristics of materials and to show how the microsctructure determines properties and is a function of structure. To analyse the defeat of armour systems by projectiles (external ballistics) and to determine appropriate materials to incorporate into armours and projectiles.
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Detail Content
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Armour Materials & Structures; Failure modes, deformation mechanisms, high strain rate effects. Optimisation of properties to resist penetration, plugging and scabbing, The relation between mechnical properties and armour performance, Metallurgical characteristics of steel, aluminiumarmours& ceramic armour. Armour structures – application of lamination, spacing, obliquity and reactivity. External Ballistics: Shaped charge performance & target effects; Explosively formed fragments, Optimisation of kinetic energy penetrator materials. Armour Calculations and Predictions. An introduction to the mechanisms of armour penetration; Low and high KE density, HEAT and HESH, Definition of Ballistic limit, Penetration & Performance, Predictive formulae for low KE density attack, Milne de Marre Formulae, Equivalent Protection factors. Whittaker’s directional Probability Variations; The distribution of tank armour, the relationship between mobility, protection, threat level and survivability, Computer modeling. Hydrodynamic Attack; Heat and Long Rods, Simple & Modified Hydrodynamic Theory, Effects for velocity, length to diameter ratio, density, hardness etc. on performance of long rods. Stress Wave Effects; The HESH round, Design of Composite Armour. Computer simulation of high velocity impact.
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Text/Ref Books
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- Military Ballistics, C.L Farrar & D.W Leeming. Brassey’s Publishers Ltd., 1983.
- Understanding Firearm Ballistics, Robert A Rinker.
- Blast and Ballistic Loading of Structures, John G Hetherington & Peter D Smith
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Time Schedule
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Fall Semester 2014
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Faculty/Resource Person
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Engr. NadeemEhsan
Assistant Professor
Department of Chemical Engineering
School of Chemical and Materials Engineering
National University of Sciences and Technology
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