Abstract
New absolute measurements of the thermal conductivity of methanol, ethanol, propanol, butanol, pentanol, and hexanol at atmospheric pressure and in the temperature range 290–350 K are reported. The overall uncertainty in the reported thermal conductivity data is estimated to be better than ±0.5%, an estimate confirmed by the measurement of the thermal conductivity of water. The measurements presented in this paper have been used to develop a consistent theoretically based correlation for the prediction of the thermal conductivity of alcohols. The proposed scheme, based on an extention of the rigid-sphere model, permits the density dependence of the thermal conductivity of alcohols, for temperatures between 290 and 350 K and atmospheric pressure, to be represented successfully by an equation containing just one parameter characteristic of the fluid at each temperature.
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Assael, M.J., Charitidou, E. & Nieto de Castro, C.A. Absolute measurements of the thermal conductivity of alcohols by the transient hot-wire technique. Int J Thermophys 9, 813–824 (1988). https://doi.org/10.1007/BF00503247
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DOI: https://doi.org/10.1007/BF00503247