Effect of pressure on self diffusion in liquids

Chhabra , R. P. (1991) Effect of pressure on self diffusion in liquids International Journal of Thermophysics, 12 (1). pp. 153-161. ISSN 0195-928X

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Official URL: http://www.springerlink.com/content/l32t7874259845...

Related URL: http://dx.doi.org/10.1007/BF00506128


The pressure dependence of the self-diffusion in simple nonpolar liquids has been examined. It is shown that an equation based on Lamm's formalism provides an adequate representation of the variation of self-diffusion with pressure at constant temperature over wide ranges of pressure and temperature. Data on cyclohexane, n-hexane, benzene, tetramethylsilane, methylcyclohexane, and chlorotrifluoromethane conform to this behavior. The analysis presented herein provides a method for estimating self-diffusion coefficients at elevated pressure from a knowledge of the shear viscosity coefficient values under the same conditions without introducing any adjustable parameters.

Item Type:Article
Source:Copyright of this article belongs to Springer.
Keywords:High Pressures; Lamm's Equation; Nonpolar Liquids; Self-diffusion
ID Code:78631
Deposited On:20 Jan 2012 11:49
Last Modified:20 Jan 2012 11:49

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