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Ballistics, 2nd Edition
book

Ballistics, 2nd Edition

by Donald E. Carlucci, Sidney S. Jacobson
August 2013
Intermediate to advanced content levelIntermediate to advanced
608 pages
21h 36m
English
CRC Press
Content preview from Ballistics, 2nd Edition
52 Ballistics: Theory and Design of Guns and Ammunition
We shall now examine the use of momentum, mV, as our ow variable. Use of Equation
2.128 with this ow variable yields
η
== =
N
m
m
m
V
V
(2.135)
Now we can include this into Equation 2.129 to obtain
d(
d
dV
dd
CV outflow area inflow area
m
tt
V
VVVA VV A
)
=
+⋅
+⋅
∫∫
ρρ ρ
(2.136)
Through Newton’s second law, we know that the term on the LHS (time rate of change of
momentum) equals the forces on the system. The rst term on the RHS is the change in
the system’s momentum through storage in the CV. The second and third terms are the
momentum leaving and momentum entering the CV, respectively. It is again i
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Publisher Resources

ISBN: 9781466564374