SailNet Community - View Single Post - Current strength
View Single Post
  #18  
Old 12-24-2011
davidpm's Avatar
davidpm davidpm is online now
Senior Member
 
Join Date: Oct 2007
Location: Madison
Posts: 3,485
Thanks: 130
Thanked 33 Times in 26 Posts
Rep Power: 7
davidpm is on a distinguished road
Quote:
Originally Posted by AdamLein View Post
True, but a river is not very much like a wheel. The latter is rigid while the former flows. With rigid rotation you will get tangential speed proportional to radius, but with a liquid, not necessarily.

A naive application of the Bernoulli principle puts the fast water inside, since the inside of turns is associated with low pressure, which is associated with high speed.

Erosion could indicate fast water on the outside, or it could indicate that water is better at eroding soil that it crashes into than soil that it rushes past, ie. On the high pressure side of the curve.
That's what the book said.
Reply With Quote Share with Facebook