Kozeny-Carman relationship

Input(s)

B: Geometric factor (dimensionless)

$\varnothing$: Porosity (fraction)

d: Diameter of Particle $(\mathrm{cm})$

$\tau$: Tortuosity (dimensionless)

Output(s)

k: Permeability $(\mathrm{mD})$

Formula(s)

$$ \mathrm{k}=\frac{\mathrm{B} * \emptyset^{3} * \mathrm{~d}^{2}}{\tau} $$

Reference(s)

Mark D. Zoback, Reservoir Geomechanics, Cambridge University Express, UK, Page: 41.