Fourier Number Calculation for Heating Time
Calculates the required heating time for a spherical object using the Fourier number and single-term Heisler approximation.
📖 Need the theory? Read the methodology, assumptions, and equations in the full reference guide.
1. Define Input Parameters
2. Engineering Output
Thermal Diffusivity (alpha)
- m²/s
- m²/s
Biot Number (Bi)
- dimensionless
- dimensionless
Dimensionless Centre Temperature (theta)
- dimensionless
- dimensionless
Fourier Number (Fo)
- dimensionless
- dimensionless
Heating Time (t)
- seconds
- seconds
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Download Offline Excel CalculationContext & Assumptions
The Fourier number is a dimensionless parameter essential for characterizing transient heat conduction in solids. By relating internal conduction to thermal storage, this model allows engineers to predict the time required for objects to reach specific target temperatures in controlled thermal environments.
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