Abstract
A recently developed dual vibrating-wire technique has been used to perform viscosity measurements of liquid toluene in the temperature range 213 K≤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.
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Caetano, F.J.P., Correia da Mata, J.L., Fareleira, J.M.N.A. et al. Viscosity Measurements of Liquid Toluene at Low Temperatures Using a Dual Vibrating-Wire Technique. International Journal of Thermophysics 25, 1–11 (2004). https://doi.org/10.1023/B:IJOT.0000022325.10161.39
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DOI: https://doi.org/10.1023/B:IJOT.0000022325.10161.39