Flow Circuits

Hagen-Poiseuille Equation

The Hagen-Poiseuille Equation defines the relationship between flow rate and pressure for a laminar flow.

Length Unit

Time Unit

Volume Unit

Pressure Unit

Mode

Flow Rate

μL/min

Channel Length

Fluid Viscosity

Fluid Density

mg/μL

Cross Section

Width

Depth

Bottom Draft

Bottom Radius

Volume/Length

μL/mm

Surface Area/Length

mm²/mm

Standard Pressure Drop

Pa @ 60 μL/min per 1000 mm H20

Pressure Drop

Velocity

mm/min

Shear Stress τ

Reynold's Number

Flow Regime

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