Thermal Conductivity -- from Eric Weisstein's World of Physics (original) (raw)

Thermal conductivity is defined by

where is the heat capacity and is the thermal diffusivity. In cgs, thermal conductivity is measured in erg cm-1 K-1 s-1. For air (in MKS),

Electrical Conductivity, Thermal Diffusivity

© 1996-2007 Eric W. Weisstein