PHYSICS   LECTURE   DEMONSTRATIONS

M-F7   :   Mariott Tube

UNIT: Bernoulli's Principle (Kinematics in 2-dim)
 
PURPOSE: Interesting evidence of the Bernoulli's Principle
 
EQUIPMENT:
1. Mariott Tube: a cylinder with three holes (stoppers)
2. Base pan & stand for the tube
3. Pitcher for water
SUGGESTIONS: Holes are numbered 1-3 from bottom to top. 
1. With 1 and 2 open, ask for prediction and run
2. With all open, ask for prediction and run
3. Explain
DISCUSSION: See attached.
 
1.
2.
3.
4.

 
 
 

1. Equipment and set-up
2. Filling the tube to the brim
3. Stoppers removed, liquid level continuously maintained
4. Close-up of the streams: top and bottom arrive at the same point, middle stream goes farther