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Parachute Inflation and Opening Shock

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Perfect Fluid Steady Flow<br />

• Simple fluid model gives the correct<br />

functional form for drag force<br />

• Shape of pressure distribution <strong>and</strong><br />

magnitude of drag force are<br />

incorrectly predicted<br />

• Real fluid effects due to viscosity<br />

<strong>and</strong> compressibility must be<br />

accounted for in pressure <strong>and</strong> drag<br />

coefficients<br />

<strong>Parachute</strong> <strong>Inflation</strong> <strong>and</strong> <strong>Opening</strong> 10

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