Archives of Acoustics, 1, 3, pp. 243-253, 1976

Propagation of hypersonic waves in some viscous fluids

Zygmunt Kleszczewski
Institute of Physics, Silesian Technical University

Taking advantage of Mandelsztam-Brillouin dispersion the velocity of propagation and the absorption coefficient of hypersonic waves at a frequency of 8 GHz have been measured in the following viscous fluids: castor oil, paraffin oil, diethylene glycol, triethylene glycol and polyethylene glycol. The results obtained are discussed on the basis of relaxation theory and ISAKOVICH-CZABAN theory.
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