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- Title
Experimental study of the density and viscosity of 1-octene and 1-decene at high temperatures and high pressures.
- Authors
SAGDEEV, DAMIR I.; FOMINA, MARINA G.; MUKHAMEDZYANOV, GABDLNUR K. H.; ABDULAGATOV, ILMUTDIN M.
- Abstract
The density and viscosity of 1-octene and 1-decene have been simultaneously measured over the temperature range from 298 K to 473 K and at pressures up to 245 MPa using the hydrostatic weighing and falling-body techniques, respectively. The expanded uncertainty of the density, pressure, temperature, and viscosity measurements at the 95% confidence level with a coverage factor of k=2 is estimated to be 0.15% to 0.30%, 0.05%, 0.02 K. and 1.5% to 2.0% (depending on temperature and pressure ranges), respectively. The measured densities were used to develop a Tait-type equation of state for liquid 1-octene and 1-decene. Theoretically based Arrhenius-Andrade and Vogel-Tamman-Fulcher (VTF) type equations with pressure dependent coefficients were used to represent the temperature and pressure dependences of the measured viscosities for liquid 1-octene and 1-decene. Also the friction theory (FT) viscosity model together with derived Tait EOS was used to accurately represent measured viscosity data. The measured values of the density and viscosity were compared in detail with reported data and with the values calculated from correlations.
- Publication
High Temperatures - High Pressures, 2013, Vol 42, Issue 6, p509
- ISSN
0018-1544
- Publication type
Academic Journal