FW: PipingDesign
> Is it possible for a added water pressure to build up on top of
> pressurized water (that is pre-pressurized by air pressure) through
> the effects of what is reffered to as ( centrifugal force ) but for
> the lack of a better term I will call it angular acceleration towards
> the center of rotation.
>
> I have ran into a occurance that tends to show a outward force that
> registers on a water pressure guage.
>
> before operation the mechanism is charged with air pressure.
> the pressure is apx 45 psi.
> durring operation the guages read 87 psi.
> there is no additional air pressure added to the charged system.
> there is an additional pressure build up to the tone of 42 psi.
> the radius is only 1.5 meters and the rpm is only 120 rpm.
> could it be that there is a restriction that would cause this build
> up of pressure? which would make no sence to me.
>
> or is it that the water is pushing outwards on the water further
> outwards in the pipe?
>
> the occurance is a part of a old water treatment facility.
> that is being refitted and these additional pressures were not
> expected.
> " the nozells are spraying the water past the perimeter of the pool "
>
> could someone please identify this effect?
> and maybe supply a formula for determining this effect at given
> rpm's.
>
> I am sorry if this is not a proper post however I have had a hard
> time finding information on the centrifuge like effects found in this
> circumstance.
Received on Thu Oct 10 02:46:00 2002
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