The self-consistent model of the anomalously slow relaxation of the systems nonwetting liquid–nanoporous medium

作者: Vladimir Dmitrievich Borman , Nikolay Andreevich Borodulya , Anton Anatolevich Belogorlov , Vladimir Nikolaevich Tronin

DOI: 10.1142/S0217979217502010

关键词: Porous mediumRelaxation (physics)OutflowMetastabilityAccelerationWettingThermal fluctuationsPower lawMaterials scienceCondensed matter physics

摘要: This paper provides information on a self-consistent model of an anomalously slow relaxation nonwetting liquid–nanoporous medium systems with random size distribution pores, which introduces changes in interaction between local liquid cluster configurations the process outflow from porous medium. A equation was deduced, solution determines functional connection filling degree or time 𝜃(t). It is shown that presented as decay interacting metastable configurations, initialized by thermal fluctuations. As increments, acceleration takes place subsequent avalanche fluid medium, connected decrease configurations. The dependence fraction volume remaining power law 𝜃(t) ∼ t−α(T,t). for system water–L23 at initial stage range 10s < t 103s, index assumes constant value α ≈const(T), while following and increase parameter α(T,t) are observed.

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