Abstract
ANDRADE1 developed a theory of viscosity of liquids based on a model in which the molecules are regarded as executing vibrations essentially similar to those characteristic of the solid state, the chief difference between the solid and the liquid states being that in the latter the amplitudes of the vibrations are so large that molecules make collisions (resulting in ‘temporary unions’) with neighbours at every extreme displacement. His viscosity equation is where η is the viscosity of the liquid, m the mass of a molecule in the liquid, ν its vibration frequency, and σ the average distance between the centres of the molecules.
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References
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Mohanty, Curr. Sci., 17, 148 (1948).
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MOHANTY, S. A Relationship between Heat Conductivity and Viscosity of Liquids. Nature 168, 42 (1951). https://doi.org/10.1038/168042a0
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DOI: https://doi.org/10.1038/168042a0
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