Modification of Hildebrand's viscosity equation

T. Sridhar; O. E. Potter

doi:10.1016/0300-9467(78)80024-0

Modification of Hildebrand's viscosity equation

T. Sridhar, O. E. Potter

Research output: Contribution to journal › Article › Research › peer-review

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Abstract

The fluidity model of Hildebrand has been modified to account for changes in molecular diameter that occur near the melting point. We show that there is a similarity between the divergence from the fluidity equation and the increase in molecular diameter. Both these phenomena are noticeable only below a reduced temperature of 0.46. It is shown that if the changes in molecular volume are taken into account good agreement with experimental data is obtained.

Original language	English
Pages (from-to)	57-60
Number of pages	4
Journal	The Chemical Engineering Journal
Volume	16
Issue number	1
DOIs	https://doi.org/10.1016/0300-9467(78)80024-0
Publication status	Published - 1 Jan 1978

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title = "Modification of Hildebrand's viscosity equation",

abstract = "The fluidity model of Hildebrand has been modified to account for changes in molecular diameter that occur near the melting point. We show that there is a similarity between the divergence from the fluidity equation and the increase in molecular diameter. Both these phenomena are noticeable only below a reduced temperature of 0.46. It is shown that if the changes in molecular volume are taken into account good agreement with experimental data is obtained.",

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AU - Potter, O. E.

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N2 - The fluidity model of Hildebrand has been modified to account for changes in molecular diameter that occur near the melting point. We show that there is a similarity between the divergence from the fluidity equation and the increase in molecular diameter. Both these phenomena are noticeable only below a reduced temperature of 0.46. It is shown that if the changes in molecular volume are taken into account good agreement with experimental data is obtained.

AB - The fluidity model of Hildebrand has been modified to account for changes in molecular diameter that occur near the melting point. We show that there is a similarity between the divergence from the fluidity equation and the increase in molecular diameter. Both these phenomena are noticeable only below a reduced temperature of 0.46. It is shown that if the changes in molecular volume are taken into account good agreement with experimental data is obtained.

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DO - 10.1016/0300-9467(78)80024-0

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VL - 16

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JO - Chemical Engineering Journal

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Modification of Hildebrand's viscosity equation

Abstract

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