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Flexible tube
Tube shape at its downstream end
at various time instants
at various time instants
Pressure time records: tube inlet (blue), tube exit (red)
Velocity field (upper & down left, tube exit on the right), pressure time record (upper right), tube wall coordinates (down right). A neck has been formed close to tube exit.
Velocity field profiles simultaneously taken along the tube. Pressure time record (right), velocity vectors (bottom)
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PIV measurements inside a self oscillating collapsible tube