Acoustic technique for measurements of ultrasonic velocity and absorption in liquids under high pressures up to 1000 MPa

N. B. Lezhnev; U. M. Esanov; B. T. Khamidov

doi:10.1117/12.131941

25 November 1992 Acoustic technique for measurements of ultrasonic velocity and absorption in liquids under high pressures up to 1000 MPa

N. B. Lezhnev, U. M. Esanov, B. T. Khamidov

Author Affiliations +

Proceedings Volume 1844, Acousto-Optics and Applications; (1992) https://doi.org/10.1117/12.131941
Event: Acousto-Optics and Applications, 1992, Gdansk-Jurata, Poland

Abstract

The usage of high pressure measuring techniques increases the possibility of studying and more common interpretation of condensed media molecular processes. Nowadays, ultrasonic techniques are widely used in studying liquids under high pressures, various temperatures, and frequencies. However, the present techniques for measurements allow us to conduct studies within a relatively narrow range of pressures (100 to 500 MPa) and frequencies (1 to 30 MHz) that hinder the registration of thermodynamic and visco-elastic parameters of liquid media with densities comparable with the solid state. In connection with this the authors of the paper tried to develop acoustic measurements experimental techniques in the direction of higher frequencies (to 100 MHz) and pressures (to 1000 MPa). The authors give a brief description of more important technical units of the developed high pressure acoustic equipment.

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N. B. Lezhnev, U. M. Esanov, and B. T. Khamidov "Acoustic technique for measurements of ultrasonic velocity and absorption in liquids under high pressures up to 1000 MPa", Proc. SPIE 1844, Acousto-Optics and Applications, (25 November 1992); https://doi.org/10.1117/12.131941

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