Abstract
The low-frequency (74 kHz) shear elasticity of the homologous series of normal hydrocarbons (alkanes) is studied using acoustic resonance. The shear modulus and mechanical loss tangent are measured, and the relaxation frequency and effective viscosity are calculated. The dependences of these parameters on homologue viscosity are established. It is shown that the mechanical loss tangent of all studied liquids is less than 1, demonstrating that the relaxation frequency is below the experimental frequency.
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The study was supported from the budget of the Institute of Physical Materials Science of the Siberian Branch of the Russian Academy of Sciences. No additional grants were received to conduct or direct this specific study.
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Dembelova, T.S., Makarova, D.N. & Badmaev, B.B. Low-Frequency Shear Elasticity of the Homological Series of Normal Hydrocarbons. Acoust. Phys. 70, 35–38 (2024). https://doi.org/10.1134/S1063771023601413
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DOI: https://doi.org/10.1134/S1063771023601413