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Title: Empty a Bottle

Description: The water will flow out of the top faster than the hole in the bottom. When the water flows out of the top, its streamlines follow the smooth contour (a gradual contraction) of the bottle and the flow stays laminar. Conversely, when it leaves from the bottom, the streamlines have no contour to follow and the flow is slowed.

Credits: Reimi Yonekura, Rich Wlezien, Erich Tisch, NSF

References:

Web Page:

Contributed By: Erich Tisch

 
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