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@wikipedia


Relates pressure drop 

LaTeX Math Inline
bodyp_{out} - p_{in}
 on the choke with the flowrate through the choke
LaTeX Math Inline
bodyq
 arising from fluid friction with choke walls:

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anchordp
alignmentleft
p_{out} - p_{in} =  \frac{\rho}{8.05 \, d^4] \, C_d^2} \cdot  q^2

where

LaTeX Math Inline
body\rho

fluid  density

LaTeX Math Inline
bodyd

choke orifice diameter

LaTeX Math Inline
bodyC_D


See also


Physics / Fluid Dynamics / Pipe Flow Dynamics / Pipe Flow Simulation (PFS)

Pipeline Engineering / Pipeline / Choke

Euler equation ] [ Water Pipe Flow @model ]


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