Parachute Inflation and Opening Shock
Parachute Inflation and Opening Shock
Parachute Inflation and Opening Shock
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Dimensional Analysis <strong>and</strong> Unsteady<br />
Flow Conclusions<br />
• Dimensional analysis identifies dimensionless<br />
parameters that influence opening shock <strong>and</strong><br />
inflation time<br />
– Mass ratio Kt = m / [(4/3) ρπR 3<br />
p ]<br />
– Froude number Fr = V 2<br />
0 / (g Rp)<br />
• Simplified perfect fluid analysis provides insight<br />
into functional form of forces <strong>and</strong> pressure<br />
distributions<br />
<strong>Parachute</strong> <strong>Inflation</strong> <strong>and</strong> <strong>Opening</strong> 28
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