Buoyancy in horisontal pipe

  • Thread starter vladim1
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  • #1
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Main Question or Discussion Point

Hi people.

Please explain me, why in a horisontal pipe (closed) a bubble go to middle, and not stay in any other position?

Also what is the difference of forces when this bubble moves from right/left to middle and when it rise from bottom to top.


I know bubble rise due to buoyancy, which is equal with pgV. But in horisontal case, this force seems to be less.

Thanks.
 

Answers and Replies

  • #2
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Hello,
is this question so difficult?? At least, pleas, can someone explain me how spirit level works.
 
  • #3
A.T.
Science Advisor
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1,672
Hello,
is this question so difficult?? At least, pleas, can someone explain me how spirit level works.
The inside of the spirit level pipe is not a perfect cylinder, but rather a barell:
http://en.wikipedia.org/wiki/Spirit_level
 

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