History of Technologies Depending on Pressure and Air Velocity by Dr. Leonhard E. Bernold Hanyang University Dasan Conference 2010 October 27-29, 2010.

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Presentation transcript:

History of Technologies Depending on Pressure and Air Velocity by Dr. Leonhard E. Bernold Hanyang University Dasan Conference 2010 October 27-29, 2010

Presentation Outline 1)The Early Scientists 2) Happy Birthday 3) Alfred Beach 4)Capsule Pneumatic Mail 5)Pneumatic Material Conveying 6)Air Supported Conveying

Pneuma: Greek for the vital spirit; the soul Pneuma: Greek for the vital spirit; the soul. Pneumatics: Operated by air or by the pressure or exhaustion of air.

Hero of Alexandria (10 AD) Hero’s Magical Fountain

Leonardo Da Vinci 1452 ??? At 10 m No Water

Evangelista Torricelli, 1608 “We live at the bottom of an ocean of air!”

Blaise Pascal, 1623

Daniel Bernoulli, 1782

Happy 100 Year Birthday

Add the Cyclone and Robot

Pneumatic Subway New York, 1867 Alfred Beach

 8” (20 cm) Capsule Pneumatic Mail New York

Pneumatic Material Conveying

Velocity - Pressure Loss - Energy

Reynolds = 4000

Material Feeding and Acceleration

Pulse/Plug Flow Pneumatic Conveying

Air Supported Conveyors

Pneumatic Inline Filtering

Is This Vacuum?

Thank You for Your Attention

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