Free volume model
Estimating the viscosity of liquids under pressure
Article REF: K492 V1
Free volume model
Estimating the viscosity of liquids under pressure

Author : Bernard LE NEINDRE

Publication date: November 10, 2006 | Lire en français

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4. Free volume model

A model widely used to describe the viscosity behavior of many low-molar mass liquids was proposed by Eyring et al. . It leads to an Arrhenius-type equation: η=Aexp(BT)

Another model based on free volume considers a liquid of hard spheres in which diffusion is possible when a vacant volume, larger than...

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