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Titolo:
MONTE-CARLO SIMULATIONS OF COLLOIDAL DISPERSIONS UNDER SHEAR
Autore:
OLIVITRAN N; BOTET R; CABANE B;
Indirizzi:
UNIV PARIS 11,PHYS SOLIDES LAB,CTR ORSAY,BATIMENT 510 F-91405 ORSAY FRANCE RHONE POULENC RECH,CEA,EQUIPE MIXTE F-93308 AUBERVILLIERS FRANCE
Titolo Testata:
Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
fascicolo: 2, volume: 57, anno: 1998,
parte:, B
pagine: 1997 - 2003
SICI:
1063-651X(1998)57:2<1997:MSOCDU>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Soggetto:
HARD-SPHERE FLUID; NEUTRON-SCATTERING; FLOW; DYNAMICS; CRYSTALS; PHASE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
19
Recensione:
Indirizzi per estratti:
Citazione:
N. Olivitran et al., "MONTE-CARLO SIMULATIONS OF COLLOIDAL DISPERSIONS UNDER SHEAR", Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 57(2), 1998, pp. 1997-2003

Abstract

We have used a two-dimensional Monte Carlo method to represent the evolution of a colloidal dispersion under shear. This method involves the action of the Derjaquin-Landau-Venvey-Overbeek potential between particles and the action of Brownian motion. The parameters of our simulations have been adjusted to fit the experimental data: temperature andshear velocity. For low volume fractions we find the Newtonian regimewhere the dispersion evolves as a fluid. For large volume fractions the dispersion has no longer the properties of a fluid. As found experimentally, we observe that it forms a slip layer where only a few particles are located and that allows the dispersion to slip as a whole. [S1063-651X(98)09302-7].

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Documento generato il 27/09/20 alle ore 21:24:01