Why Does a Bubble Move to the Middle in a Horizontal Pipe?

In summary, the conversation discusses the behavior of bubbles in horizontal pipes and the difference in forces when they move to the middle or rise from the bottom. One person also asks for an explanation of how a spirit level works.
  • #1
vladim1
7
0
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.
 
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  • #2
Hello,
is this question so difficult?? At least, pleas, can someone explain me how spirit level works.
 
  • #3
vladim1 said:
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
 

Related to Why Does a Bubble Move to the Middle in a Horizontal Pipe?

1. What is buoyancy in horizontal pipe?

Buoyancy in horizontal pipe refers to the upward force that a fluid exerts on an object submerged in it. This force is equal to the weight of the fluid that is displaced by the object.

2. What factors affect buoyancy in horizontal pipes?

The two main factors that affect buoyancy in horizontal pipes are the density of the fluid and the volume of the object. The denser the fluid, the greater the buoyant force, and the larger the volume of the object, the greater the force needed to submerge it.

3. How is buoyancy calculated in horizontal pipes?

The buoyant force in horizontal pipes can be calculated using Archimedes' principle, which states that the buoyant force on an object is equal to the weight of the fluid that is displaced by the object. This can be expressed mathematically as Fb = ρVg, where Fb is the buoyant force, ρ is the density of the fluid, V is the volume of the object, and g is the acceleration due to gravity.

4. What is the significance of buoyancy in horizontal pipes?

Buoyancy is important in horizontal pipes as it can affect the flow of fluids through the pipe. If the buoyant force is greater than the weight of the fluid, the object will rise to the surface, causing disruptions in the flow. On the other hand, if the buoyant force is less than the weight of the fluid, the object will sink, potentially causing blockages or damage to the pipes.

5. How can buoyancy be controlled in horizontal pipes?

Buoyancy in horizontal pipes can be controlled by adjusting the density of the fluid or the volume of the object. In some cases, adding weights to the object can also help to counteract the buoyant force. Additionally, proper design and installation of the pipes can also help to minimize the effects of buoyancy.

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