Bave Filament Diameter Micron Estimate
Estimate equivalent and elliptical bave envelope diameters from denier, supplied material density and solid-area fraction; cross-section is an assumed model, not measured filament microscopy.
Description
Bave linear density can be translated into an assumed cross-sectional area using material density.
Bave linear density can be translated into an assumed cross-sectional area using material density. Envelope porosity and elliptical shape change diameter interpretation.
Estimate equivalent and elliptical bave envelope diameters from denier, supplied material density and solid-area fraction; cross-section is an assumed model, not measured filament microscopy.
When to use Bave Filament Diameter Micron Estimate
Use this tool to estimate equivalent and elliptical bave envelope diameters from denier, supplied material density and solid-area fraction; cross-section is an assumed model, not measured filament microscopy.
Prepare cocoon, larval, leaf or reeling measurements on a consistent batch and moisture basis. Use the declared mass, length and time units.
How to use Bave Filament Diameter Micron Estimate and understand its results
- Prepare cocoon, larval, leaf or reeling measurements on a consistent batch and moisture basis. Use the declared mass, length and time units.
- Enter filamentDenier, materialDensityGramsPerCm3, solidAreaFraction, ellipseMajorToMinorAxisRatio using the field table and calculation rules, then run the tool.
- Read equivalentEnvelopeDiameterMicrons, minorAxisDiameterMicrons, majorAxisDiameterMicrons. The explanation below defines the units, signs, ordering and any flags or placeholder values.
- If the tool reports an input issue, correct the values and run it again. Apply the stated assumptions when interpreting a successfully returned result.
| Input field | Meaning | Value type; see rules below | Requirement |
|---|---|---|---|
| filamentDenier | Filament denier | number | Required |
| materialDensityGramsPerCm3 | Material density grams per cm3 | number | Required |
| solidAreaFraction | Solid area fraction | number | Required |
| ellipseMajorToMinorAxisRatio | Ellipse major to minor axis ratio | number | Required |
Use positive denier, density and solid fraction at most one, with major/minor ratio at least one. Divide equivalent diameter by the square root of the ratio for minor diameter, then multiply by the ratio for major diameter.1
equivalent diameter µm = sqrt(4 × denier × 10⁸/(900000π × density g/cm³ × solid fraction)) Units, indexing, boundary conditions and exceptional cases are defined in the calculation rules above.
| Output field | Meaning | Value type |
|---|---|---|
| equivalentEnvelopeDiameterMicrons | Equivalent envelope diameter microns | number |
| minorAxisDiameterMicrons | Minor axis diameter microns | number |
| majorAxisDiameterMicrons | Major axis diameter microns | number |
{
"input": {
"filamentDenier": 3,
"materialDensityGramsPerCm3": 1.3,
"solidAreaFraction": 0.8,
"ellipseMajorToMinorAxisRatio": 2
},
"output": {
"equivalentEnvelopeDiameterMicrons": 20.20122762783308,
"minorAxisDiameterMicrons": 14.284425043933805,
"majorAxisDiameterMicrons": 28.56885008786761
}
}Limitations and assumptions
Assumed geometry is not measured filament microscopy.
Numbers and computed results must be finite; overflow produces an error. Missing required fields, extra fields, wrong value types and violations of the calculation rules are input errors.
Alternative or Complementary methods
Use Denier From Length Weight: Infer filament denier as grams per 9000 meters, returning sample values and length-weighted pooled linear density; redundant denier/tex conversion aliases excluded. For a complementary task, use Tenacity From Breaking Force: Normalize matched yarn breaking force to cN/tex and audit a caller threshold; force is not fabric strength and method conditioning is external.
References
-
Bave Filament Diameter Micron Estimate — tool.io
Similar or alternative tools
- Denier From Length Weight
Infer filament denier as grams per 9000 meters, returning sample values and length-weighted pooled linear density; redundant denier/tex conversion aliases excluded.
- Tenacity From Breaking Force
Normalize matched yarn breaking force to cN/tex and audit a caller threshold; force is not fabric strength and method conditioning is external.