Nusselt Number Calculator

Nusselt Number Calculator

Calculate the ratio of convective to conductive heat transfer across a boundary.

Default: Air at 20°C

Nusselt Number (Nu)
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A Nusselt number of 1 represents heat transfer by pure conduction.

Heat Transfer Analysis

The Nusselt number is a dimensionless parameter used in heat transfer studies. It represents the enhancement of heat transfer through a fluid layer as a result of convection relative to conduction.

Nu = h * L / k

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