PO.MBE.Aq.VEH.tD.SI
Description
Calculates dimensionless time for VEH aquifer, [dimensionless]. tD = 0.00634*k*t / (phi*muw*ct*rr^2) (SI units).
Formula
=LAMBDA(K, t, porosity, Uw, ct, rr, LET(
ct_1psi, PO.UnitConverter(ct, "1/kPa", "1/psi"),
rr_ft, PO.UnitConverter(rr, "m", "ft"),
PO.MBE.Aq.VEH.tD(K, t, porosity, Uw, ct_1psi, rr_ft)))Parameters
| Parameter | Unit | Description |
|---|---|---|
K |
- | Permeability, [mD] |
t |
- | Time, [days] |
porosity |
- | Porosity, [fraction] |
Uw |
- | Water viscosity, [cP] |
ct |
1/kPa | Total compressibility, [1/kPa] |
rr |
m | Reservoir radius, [m] |
Examples
| Invocation | Expected |
|---|---|
=PO.MBE.Aq.VEH.tD.SI(50, 10, 0.2, 0.5, 0.0000145, 914.4) |
0.03523139 |