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

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

3. 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.

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

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

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

7. Blaise Pascal, 1623

8. Daniel Bernoulli, 1782

9. Happy 100 Year Birthday

10. Add the Cyclone and Robot

11. Pneumatic Subway New York, 1867 Alfred Beach

12.  8” (20 cm) Capsule Pneumatic Mail New York 1901-1940

18. Pneumatic Material Conveying

19. Velocity - Pressure Loss - Energy

20. Reynolds = 4000

22. Material Feeding and Acceleration

23. Pulse/Plug Flow Pneumatic Conveying

24. Air Supported Conveyors

26. Pneumatic Inline Filtering

27. Is This Vacuum?

28. Thank You for Your Attention