Fluid pressure

[BB1]

Hi,

I have a pipe connects to a container. The container contains water and a heavy weight compresses the water stored inside the container. The heavy weight will force the water move up through the pipe. Does the pipe connection level affect the height level of the water inside the pipe?

In Fig. A, the pipe is connected to the bottom of the container; in Fig. B, the pipe is connected to a higher location. Will X2 raise higher than X1 or will they be the same?

Thanks,

[StringJunky]

Assuming the weights can travel to bottom, there will be greater displacement in the first figure and hence higher water level up the pipe.. In X2, once the weight passes the pipe outlet it will cease to move because water that is left has nowhere to go.

Edited March 7, 2019 by StringJunky

[BB1]

52 minutes ago, StringJunky said:

Assuming the weights can travel to bottom, there will be greater displacement in the first figure and hence higher water level up the pipe.. In X2, once the weight passes the pipe outlet it will cease to move because water that is left has nowhere to go.

Thanks for the reply.

Assuming the weight of the "KG" is just enough to push the container water level down from the initial level to the outlet level of Fig B.

Will X1 raise lower than X2? In Fig A, the vol between the initial level to the pipe outlet is greater than Fig B, does it make the "KG" harder to push the container water level down? 

[studiot]

7 hours ago, BB1 said:

Hi,

I have a pipe connects to a container. The container contains water and a heavy weight compresses the water stored inside the container. The heavy weight will force the water move up through the pipe. Does the pipe connection level affect the height level of the water inside the pipe?

In Fig. A, the pipe is connected to the bottom of the container; in Fig. B, the pipe is connected to a higher location. Will X2 raise higher than X1 or will they be the same?

Thanks,

 

Before applying the weight KG, the pressures are identical at levels X1 and X2.
They are the air pressure acting downwards on the fluid in both tubes and both vessels.

So the initial levels are identical.

After applying the weight KG, the only difference in both cases is that the weight of KG is now balanced by the weight of the fluid rising in the tubes above the common initial  level.

 

So this must be the same in both cases

So the rise must be the same in both cases.

So the levels X1 and X2 will be identical.

Edited March 7, 2019 by studiot

[J.C.MacSwell]

2 hours ago, studiot said:

 

Before applying the weight KG, the pressures are identical at levels X1 and X2.
They are the air pressure acting downwards on the fluid in both tubes and both vessels.

So the initial levels are identical.

After applying the weight KG, the only difference in both cases is that the weight of KG is now balanced by the weight of the fluid rising in the tubes above the common initial  level.

 

So this must be the same in both cases

So the rise must be the same in both cases.

So the levels X1 and X2 will be identical.

balanced by the fluid above the final levels of the weighted surfaces? 

[studiot]

3 minutes ago, J.C.MacSwell said:

balanced by the fluid above the final levels of the weighted surfaces? 

Thank you for that catch. +1

I initially didn't have the diagram in my post and (wrongly) assumed what X1 and X2 were.

I obviously missed a line in the edit

Quote

Before applying the weight KG, the pressures are identical at levels X1 and X2.

Which should read

Before applying the weight KG, the pressures are identical at their common level.