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Differential Pressure to GPM conversion 1

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techzone12

Mechanical
May 9, 2005
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What is the formula that connects differential Pressure (inwc) and water Flow (GPM) in a pipe.

Thanks
 
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You'll need Bernoulli and flow formulae

(P1/gamma) x (V1/2 gc) x (z1) = (P2/gamma) x (V2/2 gc) x (z2)

Gamma = density
V= velocity
gc = acceleration of gravity
Z = height above datum

Q= VA

Flow = ft3/min
V = ft/min
A = area
 
Bernoulli:
"Pressure Energy" + "Kenetic Energy per unit volume" + "potential Energy per unit volume" = constant
P/? + V2/2 + gh = Const

Where V2 is "V square".
 
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