A modified rough hard-sphere model for the viscosity of molten salts

We present a new model for the viscosity of molten salts based on the modified Rough-Hard-Sphere (RHS) scheme of DiGuilio and Teja. The model employs the properties of argon to obtain smooth-hard-sphere (SHS) viscosity, and the melting points of the molten salts as characteristic parameters. The per...

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Bibliographic Details
Published in:Fluid phase equilibria 2016-10, Vol.425, p.47-50
Main Authors: Wang, Xiaopo, Teja, Amyn S.
Format: Article
Language:English
Subjects:
Adjustment
Correlation
Fused salts
Mathematical models
Melting points
Modified rough hard-sphere theory
Molten salts
Parameters
Self-propagating synthesis
Viscosity
Viscosity model
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Summary:We present a new model for the viscosity of molten salts based on the modified Rough-Hard-Sphere (RHS) scheme of DiGuilio and Teja. The model employs the properties of argon to obtain smooth-hard-sphere (SHS) viscosity, and the melting points of the molten salts as characteristic parameters. The performance of the model to correlate/predict the viscosities of 38 molten salts is examined in this work. Our results show that the viscosities of these molten salts can be correlated with an AAD (average absolute deviation between calculated and experimental values) of 1.50% using one adjustable parameter for each salt. In addition, values of the adjustable parameter exhibit regular trends with the melting point of the salt for a series of salts with a common anion.
ISSN:0378-3812
1879-0224
DOI:10.1016/j.fluid.2016.05.014