Reference Correlations of the Thermal Conductivity of Cyclopentane, iso -Pentane, and n -Pentane

New, wide-range reference equations for the thermal conductivity of cyclopentane, iso-pentane, and n-pentane are presented. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In...

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Bibliographic Details
Published in:Journal of physical and chemical reference data 2015-09, Vol.44 (3), p.1
Main Authors: Vassiliou, C.-M., Assael, M. J., Huber, M. L., Perkins, R. A.
Format: Article
Language:English
Subjects:
Correlation analysis
Density
Fluid dynamics
Heat conductivity
Hydrocarbons
Temperature effects
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Summary:New, wide-range reference equations for the thermal conductivity of cyclopentane, iso-pentane, and n-pentane are presented. The equations are based in part upon a body of experimental data that has been critically assessed for internal consistency and for agreement with theory whenever possible. In the case of the dilute-gas thermal conductivity, a theoretically based correlation was adopted in order to extend the temperature range of the experimental data. In the critical region, the enhancement of the thermal conductivity is well represented by theoretically based equations containing just one adjustable parameter, estimated by a predictive scheme. The thermal-conductivity equations behave in a physically reasonable manner over a wide range of conditions that correspond to the range of validity of the most accurate equations of state for each fluid. The estimated uncertainties of the correlations are dependent on the availability of accurate experimental data for validation, and are different for each fluid, varying from 1% (at the 95% confidence level) for the liquid phase of iso-pentane over the temperature range 307 K
ISSN:0047-2689
1529-7845
DOI:10.1063/1.4927095