Is there any possible way to make this happen?
The liquid is water. Tube has fixed size but can be modified e.g. extended. Can't be drilled at the top
how do?
Is there any possible way to make this happen?
The liquid is water. Tube has fixed size but can be modified e.g. extended. Can't be drilled at the top
it'd help if you spent even 3 seconds using google and learning you lazy zoomer
How small is the tube, could you tun another tube up inside it as a breather line with a valve on it?
It's about 5mm in diameter. It's the water outlet in this picture, after the water of the lower jar has been partially depleted.
The lower jar contains a very weak pump that drains the water. The upper part acts like a water reservoir
forgot picture
having two tubes like this doesn't work either
??
Yes I'm trying to build something like that at a rather small scale
can't lower the jar
Can you just miniaturize what he did there?
forgot to mention that i want the system completely passive without any interactions needed. I would pick a larger tube if it was possible but that's not an option
Can you alter the lower jar?It would take some figuring but if you could make it much taller and narrower and had the tube letting out right at the bottom you might be able to create enough pressure to stop the water flowing down until the water level dropped
Right pic is women when I walk by
Left is when op walks by
>no verification
Alter surface tension by quickly spinning tube?
Glue a thin, stiff rod or wire to the inside of the tube running vertically and extending past the tube opening, this will break the surface tension that's preventing the water from running out and cause the water to flow down the rod/wire.
>left
turn it upside down
>right
turn it the other way
Put tiny tube in a vaccum chamber upside down and watch it drain.
Alternatively, can you boil off the water?
nope can not boil
these two have someting in common and seem interesting
how can a rod break the tension? Do you have any reference on that principle?
>how can a rod break the tension?
Surface tension at the end of a round tube is equally distributed along the edges of the tube, the rod extends that edge surface in a way that imbalances the tension and breaks it the same way a soap bubble is weakened by contact with pointy objects.
>Do you have any reference on that principle?
Yeah, get your tube full to where it's not draining and place a rod in the end as described.
You could also do the reverse and fill a vessel with a round rim like a drinking glass so full that water rises above the rim but is held in a shallow elliptical shape (meniscus) by surface tension...
Then touch a rod to the edge of the rim so that it contacts the water and see what happens. You can do the same experiment with a bead of water on a flat surface, lay a needle or wire on the surface so that it touches the bead surface at the interface with the surface and watch it wick away as the tension balance collapses.
https://en.m.wikipedia.org/wiki/Meniscus_(liquid)
https://en.m.wikipedia.org/wiki/Capillary_action
I tried your rod suggestion. The water was not impressed. No matter if i put the rod near the wall or into the centre, the water stays in the tube.
But "extends the edge surface" gave me another idea. I cut an angle into the tube and the air started moving up the tube. My tube is made of silicone and has an inner diameter of 6mm. I tried the same approach with a 4mm inner diameter tube and it did not work.
Moments before i tried poking a hole into the side of the tube near the lower end in hope that that would for whatever reason do the trick. It did not
solution in the picture
Put a string of yarn in the tube and leading out, it will empty it
You can coat the inner walls of the tube to become superhydrophobic (I.e. contact angle >90) that way the capillary pressure becomes negative and water will be pushed out when the tube is inverted. Depending on the material of the tube, there are usually all sorts of ‘nanocoatings’ being sold that can be applied as a solution.
Consider that it's atmospheric pressure and surface tension holding the water up.
so, either increase the pressure inside the tube or decrease the pressure outside the tube.
Can you whack it real hard from the outside?
maybe if you increase the density of the water it will overcome the thin pipe surface tension
try chilling it to near 0c
im glad im not the only highschool dropout here lol
Am I missing something or is OP just a retard? Look up automatic water dispensers, primarily for small livestock like chickens