Medicine — Blood Flow (Poiseuille)
Why vessel radius dominates blood flow.
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Q = \frac{\pi r^4 \Delta P}{8\eta L}
Q \propto r^4
R = \frac{8\eta L}{\pi r^4}
\Delta P = QR
Why vessel radius dominates blood flow.
Q = \frac{\pi r^4 \Delta P}{8\eta L}
Q \propto r^4
R = \frac{8\eta L}{\pi r^4}
\Delta P = QR