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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
238 Ballistics: Theory and Design of Guns and Ammunition
Recall that the Mach number is V/a where a is the speed of sound in air. Then for our at
re approximation, we can dene a constant k
2
such that
k
S
m
Ka
22
2
=
ρ
(8.81)
Then,
ˆ
C
S
m
Ka
V
k
V
xx
D
*
==
ρ
2
22
(8.82)
From Equations 8.55 and 8.56, we see that
VkV
xx
=−
2
(8.83)
and
Vk
Vg
yy
=−
2
(8.84)
Also from Equation 8.60, we see that
=−VCV
xx
ˆ
D
*
(8.85)
Using these three equations and proceeding in the same fashion as we did with the con-
stant C
D
, we can derive equations for the x- and y-velocities; the time of ight to any range, x;
the angle of fall, ϕ, and the trajectory ordinate at any range. These equation ...
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Publisher Resources

ISBN: 9781466564374