#thermal_diffusivity

Thermal diffusivity

Rate at which heat spreads throughout a material

In heat transfer analysis, thermal diffusivity is the thermal conductivity divided by density and specific heat capacity at constant pressure. It is a measure of the rate of heat transfer inside a material. It has units of m2/s. Thermal diffusivity is usually denoted by lowercase alpha, but a, h, κ (kappa), K, ,D, are also used.

Fri 5th

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