Poiseulle's Formula

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For streamline flow through a smooth-walled circular pipe, the volume of liquid being disharged can be expressed with the Poiseulle's formula:

V = π p r⁴ / 8 η l    (1)

where 

V = discharge volume flow (m³/s)

p = pressure difference between ends of pipe (N/m², Pa)

r = internal radius of pipe (m)

l = length of pipe (m)

η = viscosity of fluid

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Related Topics

• Fluid Mechanics - The study of fluids - liquids and gases. Involves various properties of the fluid, such as velocity, pressure, density and temperature, as functions of space and time.

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