Fourier Conduction Calculator

Steady-state conduction through a flat wall

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Fourier Conduction

Steady-state conduction through a flat wall

$$q = \dfrac{k A \Delta T}{L}$$

Thermal resistance $R_{th} = L/(kA)$. Composite walls in series: $R_{total} = \sum L_i/(k_i A)$.

k (W/m·K)

A (m²)

ΔT (K)

L (m)

All fields required; L nonzero.

Heat Rate q

—W

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