| Ulysses 2005-09-23, 1:21 pm |
|
"bogax" <henk@access1.net> wrote in message
news:1127418838.515258.33450@g14g2000cwa.googlegroups.com...
>
> Oh. I misunderstood you.
>
> I don't see how that's going to work.
>
> A hydro-ram transforms pressure using the "water hammer" to trade
> a large mass of low pressure water for a small mass of high pressure
> water (roughly speaking).
>
> A siphon that ran that way would quickly run it self out of water, it'd
> be like trying to run a hydro-ram on the water it pumped.
>
> except
>
> A siphon works by dropping an equal amount of water further than it
> lifts it. But atmospheric pressure won't sustain a pressure
> differential
> of more than about 15lbs/sq inch, equivalent to a depth of about 34
> feet
> of water.
>
> To get the water over a hump deeper than 34 feet in a siphon you'd
> have to increase the input pressure ie just a vacuum wouldn't do it
> without some way to transform the pressure.
>
> I was envisioning some hydro-ram like setup to do that but instead
> of trading a larger mass of lower pressure water, using an equal mass
> of higher pressure water (the water coming out of the siphon which
> is deeper/falling further than the water going in is).
I see no reason why a siphon couldn't be used to fill a tank which could
then supply the ram pump assuming there is enough slope to run the siphon
and the ram pump below that. The main problem would seem to be the flow
rate of the siphon would need to be much greater than the ram pump because
much of the water going into the ram pump would be wasted.
>
> (Just theoretical like, it'd probably be cheaper and simpler to just
> use a pump and run it off of the water coming out of the siphon
> but that wouldn't be as nifty-simple as a hydro-ram is 
>
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