DEFINITION AND EQUATION OF LIMITING VELOCITY

1. LIMITING VELOCITY
PRESENTED BY:
SAGILA
3RD YEAR BSc. FORENSIC SCIENCE
ANNAI FATHIMA COLLEGE OF ARTS AND
SCIENCE

2. INTRODUCTION
External ballistics :
It is the part of the science of ballistics that deals
with the behaviour of a non-powered projectile in
flight. External ballistics is frequently associated
with firearms, and deals with the unpowered free-
flight phase of the bullet after it exits the gun
barrel and before it hits the target, so it lies
between transitional ballistics and terminal
ballistics.

3. terminal ballistics:
Also known as wound ballistics, a sub-field of
ballistics, is the study of the behavior and
effects of a projectile when it hits and
transfers its energy to a target. Bullet design
and the velocity of impact largely determine
the effectiveness of its impact.

4. DEFINiTION
The ballistic limit or limit
velocity is the velocity required
for a particular projectile to
reliably penetrate a particular
piece of material.

5. A given projectile will
generally not pierce a given
target when the projectile
velocity is lower than the
ballistic limit.

6. BALLISTIC LIMIT EQUATION
 𝜞 is a projectile constant determined
experimentally
 𝑫 is the diameter of the projectile
 T is the thickness of the laminate
 m is the mass of the projectile
 𝛔e is the static linear elastic compression
limit
 𝛒t is the density of the laminate
 Vb is the ballistic limit