PO.SCAL.VanGenuchten.Pc Function
Description:
Van Genuchten capillary pressure, [psi]. Se = [1 + (αPc)^n]^(-m).
Excel Function Syntax:
=PO.SCAL.VanGenuchten.Pc(Sw, Swi, alpha, n)
Parameters:
| Parameter | Description |
|---|---|
| Sw | Water saturation, [fraction]. |
| Swi | Irreducible water saturation, [fraction]. |
| alpha | Fitting parameter, [1/psi]. Typical 0.001-1. |
| n | Pore size distribution parameter, [dimensionless]. Must be > 1. |
Used in Blueprints
Capillary Pressure Models Comparison
Compare capillary pressure curves using Brooks-Corey and Van Genuchten models. Includes Leverett J-function for scaling between different rock types.