August 2013
Intermediate to advanced
608 pages
21h 36m
English
Content preview from Ballistics, 2nd Edition
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522 Ballistics: Theory and Design of Guns and Ammunition
fragment material. Recht [3] developed the following equation for determination of frag-
ment residual mass:
m
m
m
m
Q
V
U
Q
re
p
s
c
00
2
1
2
1
1
1
=+
+
+
ln
(17.34)
In this expression,
m
p
is the plate plug mass (same as earlier)
QU=
σρ
epc
/
2
(dimensionless parameter)
σ
e
is the dynamic yield strength of fragment material
ρ
p
is the density of fragment
U
c
is the plastic wave speed in the fragment material
With this material, we have completed the treatment of fragmentation. These formulas
can be used with fair accuracy to predict fragment behavior from HE devices.
References
1.
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