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Viscosity of carbon dioxide measured to a pressure of 8 GPa and temperature of 673 K
被引:56
|作者:
Abramson, Evan H.
[1
]
机构:
[1] Univ Washington, Dept Earth & Space Sci, Seattle, WA 98195 USA
来源:
PHYSICAL REVIEW E
|
2009年
/
80卷
/
02期
关键词:
carbon compounds;
entropy;
viscosity;
TRANSPORT;
EQUATION;
STATE;
CELL;
D O I:
10.1103/PhysRevE.80.021201
中图分类号:
O35 [流体力学];
O53 [等离子体物理学];
学科分类号:
070204 ;
080103 ;
080704 ;
摘要:
Shear viscosities of supercritical carbon dioxide have been measured to 673 K and 8 GPa (80 kbar). Measurements were made in a diamond-anvil cell with a rolling-ball technique. Individual isotherms are well fit by a modified free-volume equation. The data demonstrate a close relation between viscosity and residual entropy.
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