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Shear viscosity via periodic nonequilibrium molecular dynamics

Authors :
William G. Hoover
Wm. T. Ashurst
Source :
Physics Letters A. 61:175-177
Publication Year :
1977
Publisher :
Elsevier BV, 1977.

Abstract

(mkT)112/a 2 , at strain rates of 0.0253,0.0408, and 0.0724 a fit is shown in our own fig. 1. The sinh 1 function (kT/m)ll2/a. The straight-line intercept of 11.7 considerably is smooth at the origin and also has been confirmed exceeds the (solid-line) Ree-Eyring value of 9.4 (mkT)1I2/a2. experimentally, for some materials, over many decades The Ree-Eyring extrapolation corresponds to a viscous rela­ of strain rate [6]. Its use in fitting the hard-sphere data xation time of 30 a(m/kT)1/2. The 500-particle Alder-Gass·· significantly reduces 1/(0), from 11.7 to 9.4 in units Wainwright viscosity is 7.2 (mkT)1/2/a 2 .

Details

ISSN :
03759601
Volume :
61
Database :
OpenAIRE
Journal :
Physics Letters A
Accession number :
edsair.doi...........48c73d15c09819442aec40c74683116b
Full Text :
https://doi.org/10.1016/0375-9601(77)90284-5