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A Note Related to the Pressure Inside an Inflating Parachute Canopy
Published online by Cambridge University Press: 07 June 2016
Summary
If a canopy is idealised as a cylinder with one end open to the free-stream flow, and the other end closed, then the internal flow during inflation is given by a simple analytic function. In this note the function is derived and then the internal pressures and corresponding forces associated with inflation are determined. It is found that, in addition to ram pressure and the von Kármán “virtual mass” terms in the pressure equations, there are other transient terms associated with radial velocity and acceleration.
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- Copyright © Royal Aeronautical Society. 1977