 Quote by A.T.
That's not what I mean. I specifically stated gravity acting on the fluid drives it. The differential weight of the fluid columns "drives" the flow
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Actually, the wiki article states that that isn't true. Under the
Chain Analogy:
Even though the weight of the fluid in the upper siphon section is greater than that in the lower container, the fluid still flows downwards.
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, not the virtually identical weight of air columns above the vessels. Therefore I don't like invoking atmospheric pressure as the "driving mechanism".
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I liked this line from the wiki article:
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siphons work by a gradient of hydrostatic pressure within the siphon
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And I think it all depends on what kind of siphon you're talking about. The vacuum siphon video implies that the chain analogy is correct, in that instance.
But under atmospheric pressure, a broken siphon(one with an air bubble) works also.
But I think you can still use the chain analogy here also, as long as there are pistons at each end of lots of little chains.
Hence my new "Infinite layers of jello shots siphon" model.
Which I will explain in about 23 hours, as I'm late for work again.