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Proceedings Paper

Electrosensitive fluids as a basis of acoustic devices of a new type
Author(s): Alexsandra O. Korobko; Anatolyi S. Rubanov; Evguenia V. Korobko
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Paper Abstract

The present work is aimed at elucidation of the specific features in propagation of ultrasound waves in an electrostructurized medium, of their dependence on an applied electric field and implementation of the effects obtained in practice. In experiments, the use was made of electrosensitive liquid interlayers, which manifest the essential dependence of viscoelastic-plastic properties on a magnitude of an electric field applied to shear macroflows. The basis of a homogeneous suspension was the transformer oil, to which the finely divided silica powder, the corresponding surfactant and activator were added. To determine the velocity of ultrasound propagation in liquid media, the time of ultrasound signal propagation was compared with the delay time of the reference signal in the standard delay line.

Paper Details

Date Published: 6 August 2001
PDF: 10 pages
Proc. SPIE 4328, Smart Structures and Materials 2001: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials, (6 August 2001); doi: 10.1117/12.435526
Show Author Affiliations
Alexsandra O. Korobko, Byelorussian State Univ. (Belarus)
Anatolyi S. Rubanov, Heat and Mass Transfer Institute (Belarus)
Evguenia V. Korobko, Heat and Mass Transfer Institute (Belarus)


Published in SPIE Proceedings Vol. 4328:
Smart Structures and Materials 2001: Sensory Phenomena and Measurement Instrumentation for Smart Structures and Materials
Eric Udd; Daniele Inaudi, Editor(s)

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