Document Detail


The shear viscosity of supercritical oxygen at high pressure.
MedLine Citation:
PMID:  15836057     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
Shear viscosities of supercritical oxygen have been measured up to a pressure of 5.7 GPa at 294 K. A modified free-volume expression fits the data within 6% between the limits of the tenuous gas and 4.8 times the critical density. Nitrogen viscosities were found to correspond to those of oxygen through a simple scaling by critical constants. Viscosities were measured in the high-pressure diamond-anvil cell with a rolling-ball technique. The dynamics of a sphere rolling on an inclined plane were investigated in the context of these experiments. The effect of a second surface, situated above the sphere, was experimentally determined.
Authors:
E H Abramson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of chemical physics     Volume:  122     ISSN:  0021-9606     ISO Abbreviation:  J Chem Phys     Publication Date:  2005 Feb 
Date Detail:
Created Date:  2005-04-19     Completed Date:  2006-04-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0375360     Medline TA:  J Chem Phys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  84501     Citation Subset:  -    
Affiliation:
Department of Earth and Space Sciences, University of Washington, Seattle, WA 98195-1310, USA.
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