Reference Correlation for the Thermal Conductivity of Xenon from the Triple Point to 606 K and Pressures up to 400 MPa
2021
A new wide-ranging correlation for the thermal conductivity of xenon, based on the most recent theoretical calculations and critically evaluated experimental data, is presented. The correlation is designed to be used with a high-accuracy Helmholtz equation of state, and it is valid from the triple-point temperature to 606 K and pressures up to 400 MPa. The estimated expanded uncertainty (at a coverage factor of k = 2) in the range of validity of the correlation varies depending on the temperature and pressure, from 0.2 % to 4 %. In the near-critical region, the uncertainty is expected to be larger and may exceed 4 %. The correlation behaves in a physically reasonable manner when extrapolated up to 750 K; however, care should be taken when using the correlation outside of the validated range.
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