Compute the laminar volumetric flow rate through a circular pipe from pipe diameter, pressure drop and viscosity by Poiseuille's law, for microfluidics, blood flow and lubrication analysis.
圆管层流体积流量。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Hagen-Poiseuille law | Q = π·Δp·r⁴/(8μL) | Hagen 1839 / Poiseuille 1840 |
| Assumptions | Fully developed laminar pipe flow (Re<2300) | White, Fluid Mechanics |