Parachute Inflation and Opening Shock
Parachute Inflation and Opening Shock
Parachute Inflation and Opening Shock
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Dimensionless Equations<br />
• The ballistic equations can be written in<br />
dimensionless form<br />
dV<br />
dt *<br />
x*<br />
=<br />
dγ<br />
= *<br />
dt<br />
F<br />
r<br />
sin γ<br />
⎛<br />
⎜<br />
⎜1<br />
+<br />
⎝<br />
K<br />
F V<br />
r<br />
x*<br />
t<br />
C<br />
K<br />
ax<br />
t<br />
⎞<br />
⎟<br />
⎠<br />
cos γ<br />
−<br />
( K + C )<br />
t<br />
ax<br />
3<br />
8<br />
( K + C )<br />
t<br />
C<br />
<strong>Parachute</strong> <strong>Inflation</strong> <strong>and</strong> <strong>Opening</strong> 24<br />
d<br />
V<br />
2<br />
x<br />
ax
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