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  2. Barlow's formula - Wikipedia

    en.wikipedia.org/wiki/Barlow's_formula

    The formula is also common in the pipeline industry to verify that pipe used for gathering, transmission, and distribution lines can safely withstand operating pressures. The design factor is multiplied by the resulting pressure which gives the maximum operating pressure (MAOP) for the pipeline.

  3. Gas networks simulation - Wikipedia

    en.wikipedia.org/wiki/Gas_networks_simulation

    The goal of simple simulation of a gas network is usually that of computing the values of nodes' pressures, loads and the values of flows in the individual pipes. The pressures at the nodes and the flow rates in the pipes must satisfy the flow equations, and together with nodes' loads must fulfill the first and second Kirchhoff's laws.

  4. Kozeny–Carman equation - Wikipedia

    en.wikipedia.org/wiki/Kozeny–Carman_equation

    The equation was derived by Kozeny (1927) [1] and Carman (1937, 1956) [2] [3] [4] from a starting point of (a) modelling fluid flow in a packed bed as laminar fluid flow in a collection of curving passages/tubes crossing the packed bed and (b) Poiseuille's law describing laminar fluid flow in straight, circular section pipes.

  5. Template:Pressure - Wikipedia

    en.wikipedia.org/wiki/Template:Pressure

    Static pressure of fluid if all kinetic energy were converted into pressure. Template documentation This template's documentation is missing, inadequate, or does not accurately describe its functionality or the parameters in its code.

  6. Darcy–Weisbach equation - Wikipedia

    en.wikipedia.org/wiki/Darcy–Weisbach_equation

    where the pressure loss per unit length ⁠ Δp / L ⁠ (SI units: Pa/m) is a function of: , the density of the fluid (kg/m 3);, the hydraulic diameter of the pipe (for a pipe of circular section, this equals D; otherwise D H = 4A/P for a pipe of cross-sectional area A and perimeter P) (m);

  7. Heron's fountain - Wikipedia

    en.wikipedia.org/wiki/Heron's_fountain

    Pressure is transmitted by the air through pipe P2 into the water supply B, and pushes the water up into pipe P3. Water moving up pipe P3 replaces water falling from A into C, closing the loop. These principles explain the construction: The air in C must not escape through pipe P1, which is why P1 must go to the bottom, so that the water seals it.

  8. Specified minimum yield strength - Wikipedia

    en.wikipedia.org/wiki/Specified_Minimum_Yield...

    It is an indication of the minimum stress a pipe may experience that will cause plastic (permanent) deformation. The SMYS is required to determine the maximum allowable operating pressure (MAOP) of a pipeline, as determined by Barlow's Formula which is P = (2 * S * T)/(OD * SF), where P is pressure, OD is the pipe’s outside diameter, S is the ...

  9. Hagen–Poiseuille equation - Wikipedia

    en.wikipedia.org/wiki/Hagen–Poiseuille_equation

    For velocities and pipe diameters above a threshold, actual fluid flow is not laminar but turbulent, leading to larger pressure drops than calculated by the Hagen–Poiseuille equation. Poiseuille's equation describes the pressure drop due to the viscosity of the fluid; other types of pressure drops may still occur in a fluid (see a ...

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