粘土科学
Online ISSN : 2186-3563
Print ISSN : 0470-6455
ISSN-L : 0470-6455
粘性・流動特性のシミュレーション
立山 博
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ジャーナル フリー

1994 年 34 巻 3 号 p. 157-164

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The morphology of the colloidal particles influences the properties of suspensions, particularly the viscosity and plasticity that seem to increase with the presence of platelike colloidal particles. Shear stress is calculated against shear rate in dilute clay-water suspensions on the basis of Simha's theory, which indicates that the rheological behavior ofplatelike particles is different from that of spherical particles. In the case of condensed suspensions, platelike particles are flocculated into some different associations, then the rheological behaviour of the suspensions becomes very complicated. Normarized orientational function is used to predict the properties of flocculated structure in the present report. Shear stress is simulated using the equation of total energy dissipation rate based on the Michael's theory.

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