932
J. Chem. Eng. Data 2002, 47, 932-940
Measurement and Correlation of the Thermal Conductivity of Propane from 86 K to 600 K at Pressures to 70 MPa Kenneth N. Marsh,† Richard A. Perkins,* and Maria L. V. Ramires‡ Experimental Properties of Fluids Group, Physical and Chemical Properties Division, National Institute of Standards and Technology, Boulder, Colorado 80305-3328
New experimental data on the thermal conductivity of propane are reported that allow improved correlations to be developed. Previous correlations have been limited by a lack of thermal-conductivity data for the vapor at temperatures below 300 K and liquid data near the critical point. In addition, significant discrepancies were noted in the high-temperature dilute-gas thermal conductivity. The present data cover the temperature range from the triple point at 85.5 K to 600 K and the pressure range 0.1 to 70 MPa. They are estimated to have an uncertainty of 1% for measurements removed from the critical point and at pressures above 1 MPa, which increases to 3% in the critical region and 4% at low pressures (
