The self-filling siphon, and why can't it be done?

[Cloxxki]

hmm......

I wish that would work. The top outlet is an air inlet, though.

[exnihiloest]

hmm......

It will not work: water in the pipe on the right will be sucked up and siphoned into the pipe at the center. There will be no water in the right container.

[onthecuttingedge2005]

A pycnometer or specific gravity bottle is a flask with a stopper that has a capillary tube through it, which allows air bubbles to escape. The pycnometer is used to obtain accurate measurements of density.

lowering the boiling point of liquids always helps.
if that was Liquid Nitrogen in the pycnometer is would come out with a violent pressure reaction.

Jerry

[onthecuttingedge2005]

It will not work: water in the pipe on the right will be sucked up and siphoned into the pipe at the center. There will be no water in the right container.

Hi exnih.

you are right, it will act like this Robinair High Vacuum Valve.

Jerry

[Nabo00o]

@all
Even though that setup smokey showed probably doesn't work you shouldn't dismiss it so fast.
To see if it really works or what it does you need to see both how the momentum of the water could affect it and also how the vectors work, if the different vectors add together or if they work against each other.

@onthecuttingedge2005
In your opinion, what would the best available structure or material be for a homemade capillary tube?
I ask because I want to do some serious experimentation in this area, as I've already seen, it seems like slightly different materials have very different properties. As you surely agree the biggest nut to crack then is how to make the water flow out of it again.
Do you have any ideas or suggestions? Thanks!

Naboo