What is it about?
Porous materials are often characterized by a structured arrangement of pores or particles, leading to regions of pores with similar sizes. In porous materials, evaporative drying is an important process with many natural and industrial implications. We show, through computer simulations and laboratory experiments, that the drying process is controlled to some degree by the structure of porous media. In well structured materials this may lead to faster drying.
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Why is it important?
Since drying processes are so important, we need to understand what controls them and how we could, for instance, enhance drying of paint but delay the drying of soil. Understanding the mechanisms of drying, and how the are related to the structure of the material, is a first step towards more efficient drying processes.
Perspectives
From my own personal perspective, this paper shows why heterogeneity is such an important driver of natural processes, and it is both interesting and important to study its effect.
Oshri Borgman
Hebrew University of Jerusalem
Read the Original
This page is a summary of: Impact of spatially correlated pore-scale heterogeneity on drying porous media, Water Resources Research, July 2017, Wiley,
DOI: 10.1002/2016wr020260.
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