 Hagen-Poiseuille flow

ID: hagen-poiseuille-flow

Codex  0 Created 2026-09-24 Updated 2026-09-29

Steady pressure-driven flow through a circular pipe has the parabolic profile

w (r) = - \frac{1}{4 μ} \frac{d p}{d z} (R^{2} - r^{2}) .

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