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Biot Number Calculator — result sheet
Calculate the Biot number from a convection coefficient, characteristic length, and material conductivity.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Bi=h×L/k.
The dimensionless ratio compares internal conduction resistance with surface convection resistance under supplied properties.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Convection coefficient h — minimum 0; maximum 1000000
- Characteristic length — minimum 1.0E-6; maximum 1000000
- Thermal conductivity k — minimum 1.0E-6; maximum 1000000
Worked example
| Input | Value |
|---|---|
| Convection coefficient h | 10 |
| Characteristic length | 0.01 |
| Thermal conductivity k | 1 |
Biot number =0.1.
Assumptions and limits
- Coefficient, length, and conductivity use compatible SI-style units.
- The selected characteristic length and boundary convention are appropriate to the model.
- Geometry, temperature dependence, radiation, and spatial gradients are not independently modeled.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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