# Heat Transfer

- Biot Number - The Biot Number is a dimensionless quantity in heat transfer comparing internal and boundary layer heat resistances. Calculate Biot Number using this tool.
- Biot Number Calculation - The Biot number is a dimensionless quantity important in heat transfer calculations, representing the ratio of conductive to convective heat transfer resistance.
- Convective Heat Transfer Coefficient Calculation - Calculate the convective heat transfer rate using the surface area, temperature difference, and the convective heat transfer coefficient.
- Heat Transfer by Conduction - Fourier's law of heat conduction formula calculates the rate of heat transfer through a material, based on its thermal conductivity, area, temperature difference, and thickness.
- Heat Transfer by Convection - Calculate heat transfer by convection using the coefficient of heat transfer, surface area, and temperature difference. Ideal for HVAC, engine design, and environmental calculations.
- Heat Transfer by Conduction - Heat transfer by conduction is calculated using the thermal conductivity, cross-sectional area, temperature difference, and thickness of the material. This calculator helps with thermal design decisions.
- Nusselt Number Calculation (Heat Transfer) - The Nusselt number is a dimensionless number used to describe the process of convection heat transfer. This calculator computes the Nusselt number for heat transfer applications.
- Thermal Conductivity in Geological Materials - The thermal conductivity in geological materials is calculated using a specific formula. This calculator helps understand heat flow through geological materials.