Generalized Correlation for the Viscosity of Hydrocarbons Based on Corresponding States Principles and Molar Refraction

Topics:
Chemical
Tags:
American Chemical Society,
Correlation,
Deviation,
Input Parameter,
Parameter
Source:
American Chemical Society

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Overview: A generalized correlation in terms of the reduced molar refraction (parameter r) is proposed for the calculation of the viscosity of dense hydrocarbon fluids. The input parameters are the refractive index and density at 20 °C, molecular weight, critical temperature, and pressure. For saturated gases (Pr < 1), the absolute average deviation is 3.5%, whereas for high-pressure gases (1 < Pr < 10) and for hydrocarbons from C1 to C10 the average deviation is about 11%. A comparison with similar generalized correlations shows that molar refraction is a suitable third parameter for the generalized correlation of transport properties of dense hydrocarbons.

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Format: PDF | Size: 113KB | Date: Dec 2004 | Pages: 5

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