Geology Fracture Permeability Parallel Plate Calculator
Smooth ideal fracture intrinsic k=b²/12, independently established hydraulic apertures, not visual width or bulk rock permeability. Caller independently establishes matching units, evidence, method edition and applicability; output is not compliance, diagnosis, work-safety approval, geological identity or validated hazard prediction.
Description
An ideal parallel-plate fracture has intrinsic permeability proportional to the square of its aperture.
An ideal parallel-plate fracture has intrinsic permeability proportional to the square of its aperture.1
The calculation describes the adopted smooth-plate geometry and does not account for roughness, tortuosity or contacting asperities. Use this tool to calculate fracture permeability parallel plate from the supplied measurements and assumptions.
When to use Geology Fracture Permeability Parallel Plate Calculator
Use this tool to calculate fracture permeability parallel plate from the supplied measurements and assumptions. Establish the measurement units, sampled interval, calibration or model edition and geological assumptions before entering data.
How to use Geology Fracture Permeability Parallel Plate Calculator and understand its results
- Establish the measurement units, sampled interval, calibration or model edition and geological assumptions before entering data.
- Enter hydraulicAperturesM, using the field meanings and rules below, then run the tool.
- Read parallelPlateIntrinsicPermeabilitiesM2. Interpret the fields using their units, signs and evidence conventions below.
- If input validation fails, correct the reported field and run again. Before applying the result, check reference scope, model assumptions and any missing evidence or placeholder values.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| hydraulicAperturesM | Hydraulic apertures m | list of number | Required |
Enter a nonempty list of positive hydraulic apertures in meters. Return each aperture squared divided by 12 in m². There is no averaging, hydraulic-head calculation or roughness adjustment.
k_m²_i=apertureM_i²/12 Use the exact units, boundary rules, ordering and missing-evidence conventions above.
| Output field | Meaning | Value type |
|---|---|---|
| parallelPlateIntrinsicPermeabilitiesM2 | Parallel Plate Intrinsic Permeabilities M2; follow the units, sign, ordering and evidence convention stated above | list of number |
{
"input": {
"hydraulicAperturesM": [
0.01,
0.02
]
},
"output": {
"parallelPlateIntrinsicPermeabilitiesM2": [
0.000008333333333333334,
0.000033333333333333335
]
}
}Limitations and assumptions
The calculation describes the adopted smooth-plate geometry and does not account for roughness, tortuosity or contacting asperities. Interpretation depends on the units, sampling scope and exact model described above.
All listed fields require explicit values. Unexpected fields, incorrect types, nonfinite numbers and sparse evidence arrays fail validation; the specific bounds and alignment requirements are stated above. Extremely large inputs or outputs can also be rejected. An input error is distinct from a successful result reporting false, no matches or missing evidence.
Alternative or Complementary methods
Use Geology Fracture Transmissivity Cubic Law Calculator for this related task: The cubic law models laminar flow through an idealized parallel-plate fracture.
Use Geology Hydraulic Fracture Conductivity Calculator when its separate inputs and assumptions fit the question: Fracture conductivity is the product of intrinsic permeability and an effective fracture width in the adopted model.
References
Similar or alternative tools
- Geology Fracture Transmissivity Cubic Law Calculator
The cubic law models laminar flow through an idealized parallel-plate fracture.
- Geology Hydraulic Fracture Conductivity Calculator
Fracture conductivity is the product of intrinsic permeability and an effective fracture width in the adopted model.