how do vacuums work when conjoined with average air?

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Offline enochmiller

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Say the horizontal tube is a vacuum in which fluid is running through, and the vertical tube down the middle has average air inside (w/gravity). Is this possible? What would happen? (▼ see diagram below ▼)


[diagram=671_0]

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Offline CliffordK

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Re: how do vacuums work when conjoined with average air?
« Reply #1 on: 13/05/2012 06:24:50 »
Over time, the vacuum would equalize throughout the apparatus, although through long distances, gravity can alter the pressure and density of air.
I'm not quite sure what you mean by "average air".
Is the "liquid" capable of descending down into the side tube?

You may look up the Venturi Effect, in which the pressure in a side pipe at a point of restriction actually decreases.