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The effective viscosity of a dispersive medium under strain oscillations

  • Classical Problems of Linear Acoustics and Wave Theory
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Abstract

The hydrodynamic dissipative processes that accompany strain oscillations of a dispersive medium with solid spherical inclusions are considered. Based on a simple cell model, the dependence is obtained for the energy dissipation rate, which determines the effective shear viscosity of a suspension under high-frequency strain oscillations. It is shown that the well-known formulas for the effective viscosity should be supplemented with an essential dynamic term depending on the strain oscillation frequency, the inclusion radius, and the viscosity of the liquid.

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Authors and Affiliations

  1. Leipunskii Institute of Physics and Power Engineering, pl. Bondarenko 1, Obninsk, 249033, Russia

    V. S. Fedotovskii & T. N. Vereshchagina

Authors
  1. V. S. Fedotovskii
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  2. T. N. Vereshchagina
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Corresponding author

Correspondence to V. S. Fedotovskii.

Additional information

Original Russian Text © V.S. Fedotovskii, T.N. Vereshchagina, 2015, published in Akusticheskii Zhurnal, 2015, Vol. 61, No. 2, pp. 165–168.

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Fedotovskii, V.S., Vereshchagina, T.N. The effective viscosity of a dispersive medium under strain oscillations. Acoust. Phys. 61, 148–151 (2015). https://doi.org/10.1134/S1063771015020037

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  • DOI: https://doi.org/10.1134/S1063771015020037

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