Thermal diffusivity

Input(s)

k: Thermal Conductivity (W/(mK))(\mathrm{W} /(\mathrm{m} \mathrm{K}))

C^p\hat{\mathrm{C}}_{p}: Heat Capacity at Constant Pressure (J/(kgK))(\mathrm{J} /(\mathrm{kg} \mathrm{K}))

ρ\rho: Density (kg/m3)\left(\mathrm{kg} / \mathrm{m}^{3}\right)

Output(s)

α\alpha: Thermal Diffusivity (m2/s)\left(\mathrm{m}^{2} / \mathrm{s}\right)

Formula(s)

α=kC^pρ\alpha=\frac{\mathrm{k}}{\hat{\mathrm{C}}_{\mathrm{p}} * \rho}

Reference(s)

Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley & Sons, Chapter: 9, Page: 268.

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