Acoustic investigations of liquids (C8F16 and C9F18) at the various thermodynamic conditions

T. V. Burlachenko; N. B. Lezhnev

doi:10.1117/12.222765

4 October 1995 Acoustic investigations of liquids (C₈F₁₆ and C₉F₁₈) at the various thermodynamic conditions

T. V. Burlachenko, N. B. Lezhnev

Proceedings Volume 2643, Acousto-Optics and Applications II; (1995) https://doi.org/10.1117/12.222765
Event: Acousto-Optics and Applications VI, 1995, Gdansk-Jurata, Poland

Abstract

The fluorocarbons liquids are studied by acoustical method and Brillouin scattering in temperature range from 273 to 313 K and pressure from 0.1 to 50 MPa. Acoustical relaxation in liquid C₈F₁₆ with relaxation time of order 10^-10 s is discovered. This acoustical relaxation has been analyzed under an assumption of a single vibration relaxation. The measurement of hypersonic velocity by means of Mandelshtam-Brillouin light scattering under high pressure was conducted within two angles of light scattering.

Citation Download Citation

T. V. Burlachenko and N. B. Lezhnev "Acoustic investigations of liquids (C₈F₁₆ and C₉F₁₈) at the various thermodynamic conditions", Proc. SPIE 2643, Acousto-Optics and Applications II, (4 October 1995); https://doi.org/10.1117/12.222765

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