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Springer Verlag, International Journal of Thermophysics, 1(25), p. 1-11

DOI: 10.1023/b:ijot.0000022325.10161.39

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Viscosity measurements of liquid toluene at low temperatures using a dual vibrating-wire technique

Journal article published in 2004 by Carla Padrel de Oliveira, Fernando J. P. Caetano ORCID, José L. Correia da Mata, João M. N. A. Fareleira, C. M. B. P. Oliveira, William A. Wakeham, Wakeham Wa
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This paper is available in a repository.

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Abstract

A recently developed dual vibrating-wire technique has been used to perform viscosity measurements of liquid toluene in the temperature range 213 ≤T≤298 K, and at pressures up to approximately 20 MPa. The results were obtained by operating the vibrating-wire sensor in both forced and free decay modes. The estimated precision of the viscosity measurements, in either mode of operation, is ±0.5%, for temperatures above or equal to 273 K, increasing with decreasing temperature up to ±1% at 213 K. The corresponding overall uncertainty is estimated to be within ±1% and ±1.5%, respectively.