Viscosity of carbon dioxide in the liquid phase

P.S. van der Gulik

Physica A: Statistical Mechanics and its Applications, 1997, vol. 238, issue 1, 81-112

Abstract: The viscosity coefficient of liquid carbon dioxide has been measured along isotherms from the triple-point temperature (217 K) up to the critical temperature (304 K) at temperatures of 220, 230, 240, 260 and 280 K by means of a vibrating-wire viscometer. The measurements extended beyond both phase-transition lines into the coexistence region (superheated liquid) and into the solid range (undercooled liquid). The accuracy of the measurements is estimated to be 1%. The agreement with data of other authors is rather good. For the most part, the results show a linear pressure dependence in three neighbouring pressure ranges for the various isotherms with a common intersection with the negative pressure axis pi. The fluidity, the reciprocal of the viscosity, shows a linear dependence of the molar volume in adjacent density ranges. After reduction of the molar volume with the volumes of close packing, three sets of linear functions result with common intersections of the axis VB.

Keywords: Carbon dioxide; High pressure; Low temperature; Liquid; Viscosity coefficient (search for similar items in EconPapers)
Date: 1997
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:238:y:1997:i:1:p:81-112

DOI: 10.1016/S0378-4371(96)00466-9

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