Parachute Inflation and Opening Shock
Parachute Inflation and Opening Shock
Parachute Inflation and Opening Shock
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Unsteady Flow Around Sphere<br />
• Pressure distribution on a sphere in<br />
unsteady, inviscid, incompressible<br />
<strong>and</strong> irrotational flow along a<br />
streamline (perfect fluid)<br />
P ∞ 2<br />
V + Rcos<br />
θ<br />
-P<br />
⎛ 9 2 5<br />
⎞<br />
= ⎜ cos θ - ⎟<br />
ρ ⎝ 8 8 ⎠<br />
– R = radius of sphere<br />
1<br />
2<br />
∂V<br />
∂t<br />
<strong>Parachute</strong> <strong>Inflation</strong> <strong>and</strong> <strong>Opening</strong> 20