Accurate measurements of the viscosity of water in the temperature range 19.5–25.5°C

D.A. Berstad, B. Knapstad, M. Lamvik, P.A. Skjølsvik, K. Tørklep and H.A. Øye

Physica A: Statistical Mechanics and its Applications, 1988, vol. 151, issue 2, 246-280

Abstract: The viscosity of water has been measured with high accuracy in the temperature range 19.5–25.5°C, using an absolute oscillation viscometer. The resulting data are represented by the modified Arrhenius expression In (η/mPa s) = 1.85191 - 3201.27 K/T + 779359 K2/T2. The viscosity of water at 20°C and atmospheric pressure is 1.0006 mPa s ± 0.05% at the 68% confidence level. This value is 0.13% lower than the currently recommended value at 20°C: 1.002 ± 0.001 mPa s.

Date: 1988
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:151:y:1988:i:2:p:246-280

DOI: 10.1016/0378-4371(88)90015-5

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