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Motion of spherical microparticles in a viscoelastic medium under the action of acoustic radiation force

  • Proceedings of the Russian Academy of Sciences’ Research Board Seminar “Topical Achievements in Acoustics, 2015”
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The motion of spherical microparticles with sizes (50–250 μm) less than or comparable to the wavelength of ultrasound (300 μm) in a gel-like medium is studied. Particle displacement is defined by the acoustic radiation force and the motion of the medium. It is shown that a specific feature of microparticle motion is their complete deceleration for a time of about 1 ms after switching off the ultrasound, and their subsequent displacement is determined entirely by the medium’s relaxation. The aim of the work is to develop ultrasonic means of detecting microcalcifications in breast tissues.

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Authors and Affiliations

  1. Moscow State University, Moscow, 119991, Russia

    V. G. Andreev, Z. A. Korolkov & A. V. Shanin

  2. Nizhny Novgorod State University, Nizhny Novgorod, 603950, Russia

    I. Yu. Demin

Authors
  1. V. G. Andreev
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  2. I. Yu. Demin
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  3. Z. A. Korolkov
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  4. A. V. Shanin
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Corresponding author

Correspondence to V. G. Andreev.

Additional information

Original Russian Text © V.G. Andreev, I.Yu. Demin, Z.A. Korolkov, A.V. Shanin, 2016, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2016, Vol. 80, No. 10, pp. 1321–1326.

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Andreev, V.G., Demin, I.Y., Korolkov, Z.A. et al. Motion of spherical microparticles in a viscoelastic medium under the action of acoustic radiation force. Bull. Russ. Acad. Sci. Phys. 80, 1191–1196 (2016). https://doi.org/10.3103/S106287381610004X

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  • DOI: https://doi.org/10.3103/S106287381610004X

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