2021
DOI: 10.48550/arxiv.2112.09024
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Shear viscosity and Stokes-Einstein violation in supercooled light and heavy water

Pierre Ragueneau,
Frédéric Caupin,
Bruno Issenmann

Abstract: We report shear viscosity of heavy water supercooled 33 K below its melting point, revealing a 15fold increase compared to room temperature. We also confirm our previous data for the viscosity of supercooled light water, and reach a better accuracy. Our measurements, based on the spontaneous Brownian motion of 350 nm spheres, disagree at the lowest temperature with the only other available data, based on Poiseuille flow in a narrow capillary, which may have been biased by electro-osmotic effects. The viscosity… Show more

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(7 citation statements)
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“…For a detailed survey of available data, we refer the reader to the recent international formulation for the viscosity of heavy water [18], which also covers the data we present here and in Ref. [19]. Only one other report at large supercooling (242.15 K) is available [20], but the viscosity values for H 2 O in the same work disagree with that of Hallett [21] and with our previous data [8], which we attribute to a bias due to the extremely small capillary (2 µm in diameter) used in Ref.…”
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confidence: 99%
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“…For a detailed survey of available data, we refer the reader to the recent international formulation for the viscosity of heavy water [18], which also covers the data we present here and in Ref. [19]. Only one other report at large supercooling (242.15 K) is available [20], but the viscosity values for H 2 O in the same work disagree with that of Hallett [21] and with our previous data [8], which we attribute to a bias due to the extremely small capillary (2 µm in diameter) used in Ref.…”
mentioning
confidence: 99%
“…[20] (see Ref. [19] for more details). We note that a few other measurements for D 2 O at a modest supercooling (2 to 3 K below the melting curve) are available, but only under pressure [18].…”
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confidence: 99%
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