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arXiv · 1212.3414

Capillary condensation in one-dimensional irregular confinement

Thomas P. Handford·Francisco J. Perez-Reche·Sergei N. Taraskin
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Abstract

A lattice-gas model with heterogeneity is developed for the description of fluid condensation in finite sized one-dimensional pores of arbitrary shape. An exact solution of the model is presented for zero-temperature that reproduces the experimentally observed dependence of the amount of fluid adsorbed in the pore on external pressure. Finite-temperature Metropolis dynamics simulations support analytical findings in the limit of low temperatures. The proposed framework is viewed as a fundamental building block of the theory of capillary condensation necessary for reliable structural analysis of complex porous media from adsorption-desorption data.

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BibTeXRIS

Thomas P. Handford, Francisco J. Perez-Reche, Sergei N. Taraskin. 2013-05-24. Capillary condensation in one-dimensional irregular confinement. https://doi.org/10.1103/physreve.88.012139

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