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ESDU 93012:1993

$62.40

Viscosity of Liquids: Halogenated Ethanes

Published By Publication Date Number of Pages
ESDU 1993-11 80
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ESDU 93012 tabulates the viscosity of 49 halogenated ethanes at saturation pressure, for temperatures from just above the melting point to approximately 0.9 of the critical temperature. Experimental data extracted from the literature were fitted by an equation for the logarithm of dynamic viscosity as a function of reduced temperature. The equation contains four constants and the values determined for them are tabulated for each compound. The constants were chosen in such a way that within each compound group, their values varied progressively and, simultaneously, provided acceptable fits to any reliable data. Viscosities are tabulated at 10 K and 10 degree Celsius intervals, together with an assessment of the uncertainty in each value. The sources of the data for each compound are listed, and the critical temperature is given. It is noted that viscosity increases by 1 per cent for a pressure increase of 1 MPa, and an equation is suggested for calculating the effect of pressure up to
50 MPa. A full bibliography is given of the sources consulted.

ESDU 93012:1993
$62.40