Re: Re-Simplified: Mixed up between Hydraulic & Atmospheric Pressure on Fluids?
- From: "guskz@xxxxxxxxxxx" <guskz@xxxxxxxxxxx>
- Date: 31 Dec 2005 10:49:14 -0800
Found the answer they are the same, only they have sometimes omitted
smaller forces that affect the equation:
Manometer model at:
http://www.cartage.org.lb/en/themes/Sciences/Physics/Mechanics/FluidMechanics/Statics/Measurement/Measurement.htm
Thks anyways....
guskz@xxxxxxxxxxx wrote:
> There's 2 web links on the subject where as:
>
>
> #1: One equation uses the density of the fluid (times gravity)
>
>
> ( http://hyperphysics.phy-astr.gsu.edu/hbase/pman.html#meac )
>
>
> #2: and the other equation doesnt use the density
>
>
> ( http://hyperphysics.phy-astr.gsu.edu/hbase/pasc.html#hpress )
>
>
> ----------------------------------------------------------
>
>
> So I do not understand why both equations are not the same to calculate
> the travel distance of the fulid since both are related to the total
> distance travel after opposite ends of a fluid have pressure applied on
> them.... Can anyone clarify what's my mistake?
>
>
> In the Web links: the Height ( h ) of part #1 should equal "d1 + d2"
> of part#2 shouldn't it ?
>
>
> #1 says P1 = density * h * g + P2 (or F1/A1 = density * h * g +
> F2/A2)
>
>
> but #2 says Work1 = Work2 thus F1*D1 = F2*D2 (no density of the
> fluid is used to determine the heights D1 and D2 (D1 + D2 = h)???
.
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- Re-Simplified: Mixed up between Hydraulic & Atmospheric Pressure on Fluids?
- From: guskz@xxxxxxxxxxx
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