A ratio between compressible fluid volumetric flowrate and incompressible fluid volumetric flowrate through the ideal orifice:
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C_d = \frac{q_{\rm compressible}}{q_{\rm incompressible}} |
where
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| anchor | q_ideal |
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| alignment | left |
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q_{\rm incompressible} = \cdot \frac{\pi d^2}{4} \cdot \sqrt{\frac{2 \cdot \Delta p}{\rho \cdot (1-\beta^4)}} |
and
| pressure drop on the choke, | LaTeX Math Inline |
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| body | \Delta p = p_{in} - p_{out} |
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| choke narrowing ratio |
| orifice diameter |
| pipe diameter |
See also
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Physics / Fluid Dynamics / Pipe Flow Dynamics / Pipe Flow Simulation (PFS) / Pipeline Choke @model
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