NBS Metal Property Library
The NBS Metal Property Library provides conductivity for several metals as a function of temperature and residual resistivity ratio (RRR). The curve fits used for this library are from:
Hurst, J. G. and A. B. Lankford, Thermal Conductivity of Aluminum, Copper, Iron, and Tungsten for temperatures ranging from 1 K to the melting point, National Bureau of Standards, NBS 84-3007, June 1984.
for the metals copper, aluminum, iron, and tungsten. For Vanadium data from
Jung, W.D., F.A. Schmidt, and G.C. Danielson, "Thermal conductivity of high-purity vanadium," Phys. Review B, Vol. 15 (2), Jan. 15, (1977)
were used and fit using the same NBS functional form. These data range from 5 K to 220 K.
The calling protocol is:
k = Conductivity_NBS(M$, T, RRR)
where M$ is the metal
T is the temperature (in K, C, R, or F)
RRR is the residual resistivity ratio
k is conductivity (in W/m-K or Btu/hr-ft-R)
The metals available include:
M$ = 'Copper_NBS'
M$ = 'Aluminum_NBS'
M$ = 'Iron_NBS'
M$ = 'Tungsten_NBS'
M$ = 'Vanadium_NBS'
Example:
$UnitSystem SI Mass J K Pa
k=Conductivity_NBS('Iron_NBS',300 [K], 100[-])
{
Solution: k = 78.48 [W/m-K]
}