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The viscosity and density of n-dodecane and n-octadecane at pressures up to 200 MPa and temperatures up to 473 K

The viscosity and density of n-dodecane and n-octadecane at pressures up to 200 MPa and temperatures up to 473 K
The viscosity and density of n-dodecane and n-octadecane at pressures up to 200 MPa and temperatures up to 473 K
A vibrating-wire instrument for simultaneous measurement of the density and viscosity of liquids under conditions of high pressure is described. The instrument is capable of operation at temperatures between 298.15 and 473.15 K at pressures up to 200 MPa. Calibration was performed by means of measurements in vacuum, air, and toluene at 298.15 K. For n-dodecane measurements were made along eight isotherms between 298.15 and 473.15 K at pressures up to 200 MPa while for n-octadecane measurements were measured along seven isotherms between 323.15 and 473.15 K at pressures up to 90 MPa. The estimated uncertainty of the results is 2% in viscosity and 0.2% in density. Comparisons with literature data are presented.
density, dodecane, high pressure, high temperature, octadecane, viscosity
0195-928X
1339-1352
Caudwell, D.R.
55db166e-ac4f-44c4-ac94-765952d33de9
Trusler, J.P.M.
90425e0e-0936-4b6e-b9d9-095a9e0ed0a2
Vesovic, V.
4f6725f3-ff62-429c-8ded-0e97285d4076
Wakeham, W.A.
88549729-a39a-497f-b112-feaa6be2c449
Caudwell, D.R.
55db166e-ac4f-44c4-ac94-765952d33de9
Trusler, J.P.M.
90425e0e-0936-4b6e-b9d9-095a9e0ed0a2
Vesovic, V.
4f6725f3-ff62-429c-8ded-0e97285d4076
Wakeham, W.A.
88549729-a39a-497f-b112-feaa6be2c449

Caudwell, D.R., Trusler, J.P.M., Vesovic, V. and Wakeham, W.A. (2004) The viscosity and density of n-dodecane and n-octadecane at pressures up to 200 MPa and temperatures up to 473 K. International Journal of Thermophysics. Proceedings of the Fifteenth Symposium on Thermophysical Properties, Part II, 25 (5), 1339-1352. (doi:10.1007/s10765-004-5742-0).

Record type: Article

Abstract

A vibrating-wire instrument for simultaneous measurement of the density and viscosity of liquids under conditions of high pressure is described. The instrument is capable of operation at temperatures between 298.15 and 473.15 K at pressures up to 200 MPa. Calibration was performed by means of measurements in vacuum, air, and toluene at 298.15 K. For n-dodecane measurements were made along eight isotherms between 298.15 and 473.15 K at pressures up to 200 MPa while for n-octadecane measurements were measured along seven isotherms between 323.15 and 473.15 K at pressures up to 90 MPa. The estimated uncertainty of the results is 2% in viscosity and 0.2% in density. Comparisons with literature data are presented.

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Published date: 2004
Keywords: density, dodecane, high pressure, high temperature, octadecane, viscosity

Identifiers

Local EPrints ID: 39572
URI: http://eprints.soton.ac.uk/id/eprint/39572
ISSN: 0195-928X
PURE UUID: 3b4e6972-af73-4000-abcd-186938a9be5b

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Date deposited: 28 Jun 2006
Last modified: 09 Dec 2019 19:07

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Contributors

Author: D.R. Caudwell
Author: J.P.M. Trusler
Author: V. Vesovic
Author: W.A. Wakeham

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