Pipe with Orifice

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This project calculates the pressure drop across an orifice restriction in a turbulent pipe flow. The simulation domain is axisymmetric with center axis along the flow direction. The orifice radius can be defined, and the geometry varied between 0 (straight orifice) and 45 degrees (opening orifice) at the orifice exit. A range of fluid and turbulence properties can be tested, as well as flow velocities.

(Note: The solver uses relative pressures.)
published 29 May 2015
project id 2015/ZLRk3RWk
software OpenFOAM v2.3.0
views 568
tags pipe, orifice, restriction, incompressible, axisymmetric, simpleFoam
export citation
\(l_\text{orifice}\) \(m\)
\(r_\text{orifice}\) \(m\)
\(r_\text{pipe}\) \(m\)
\(\theta\) \(degrees\)
\(\nu\) \(m^2/s\)
\(I\) \(\)
\(U_i\) \(m/s\)
\(Re\) \(\)
\(timesteps\) \(\)

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Colin McRae, "Pipe with Orifice," ThinkSOLN EnGen [online database], 2015, https://engen.thinksoln.com/projects/2015/ZLRk3RWk.
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