h a l f b a k e r yBone to the bad.
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This idea is very simple but slightly silly.
Build a centrifugal pump using a cylindrical sponge as the turbine.
[link]
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Maybe explain your reasoning? I'm having trouble figuring it out. |
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Yeah, lay it out. The sponge would spin, I guess, because it is a turbine. Water in the sponge would fly out to the periphery. It would get dry. But would that generate low pressure in the center to suck more in? |
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Thanks, [bungston] that tells me more than the idea did. |
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Is that like inflammable? |
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I will give bun, for the first rotating sponge idea I have read on the HB. |
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I wonder if there is a way to make a sponge with a
valve action to release fluid in only one direction, so
that a compression / expansion cycle would pump
fluid. |
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Bungston, I'm not expecting it to be self-priming... |
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As centrifugal force removes water from the periphery, it creates low pressure which sucks water from the center outward. As water is removed from the center, it will be replaced with water from whatever our water source is. |
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If air enters the pump, I wouldn't expect it to be able to produce enough pressure to move that air out. |
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If there is no air, just a spinning thing with an intake pipe in the middle, it seems like it would work as well or better without the sponge. |
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Goldbb, could you please explain? |
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(a) What did you mean. please reply to the many
hypothesis given here. (b) Why the sponge if rotating
empty would work just as well. Or maybe you didn't
mean a centrifugal pump? (Please see Pump on
wikipedia). |
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We've had these for years in England. |
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So what's the difference between this and a couple of rotating pipes that inhibit water flow? |
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The sponge would make the water spin in the container, so
its speed could gradually increase as it heads towards the
outside. Water at all radiuses would be spinning and
contribute centrifugal force to the pressure. With a smooth
outer pipe spinning the water, it may not spin much until it
gets closer to the outside. |
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[RayfordSteele] it is kind of cheating but you could use
non-spongy valves embedded in a flat plastic sheet, and
cover both sides in sponge. |
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