The pressure drop per unit length of the pipe(ΔP/L) in the laminar flow is dependent on the velocity, viscosity and diameter. It is equal to:
1
\(\frac{d^2}{32\mu V}\)
2
\(\frac{32\ \mu VL}{\gamma d^2}\)
3
\(\frac{32\ \mu V}{d^2}\)
4
\(\frac{8\ \mu V}{d^2}\)
5
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