|
Variable
|
Definition
|
Dimensions
|
SI units
|
|---|---|---|---|
| k | Permeability | L2 | m2 |
| Ko | Earth pressure at rest | Dimensionless | — |
| l | Sample length | L | m |
| m | Sample mass | M | kg |
| Q | Fluid flux | L3/T | m3/s |
| r | Sample radius | L | m |
| V | Sample volume | L3 | m3 |
| VP | P-wave velocity | L/T | m/s |
 P |
Pressure differential | M/LT2 | Pa |
|
t |
Total traveltime | T | s |
|
tcaps |
Traveltime through end caps | T | s |
 |
Porosity | Dimensionless | — |
 s |
Grain density | M/L3 | kg/m3 |
|
w |
Fluid density | M/L3 | kg/m3 |
| µ | Dynamic viscosity | M/LT | Pa·s |
 |
Effective stress | M/LT2 | Pa |
|
|
Effective stress increment | M/LT2 | Pa |
|
h |
Effective horizontal (radial) stress | M/LT2 | Pa |
|
v |
Effective vertical (axial) stress | M/LT2 | Pa |