Poiseuille's Law Calculator
Pressure 1:
Pressure 2:
Viscosity:
Radius:
Pipe Length:
Volumetric Flow Rate:



Poiseuille's Law (also Hagen-Poiseuille equation) calculates the fluid flow through a cylindrical pipe of length L and radius R. The poiseuille's equation is:
  V = π * R4 * ΔP / (8η * L)

Where:

  R: Cross-sectional radius of the pipe, in meter
  ΔP: Pressure difference of two ends, in Pascal
  η: Viscosity of the fluid, in Pa.s
  L: Pipe length, in meter
  V: Volumetric Flow Rate, in m/s

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