Modeling of Drying Process in Porous Media
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2023-06-11
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Abstract
Mathematical modeling of drying in porous media is a valuable tool for
understanding and optimizing the drying process. During the GSMMC
camp, we explored two approaches to modeling the drying process: microscopic and macroscopic. In the microscopic model, the focus is on
the individual pores and their interactions. This approach considers
the movement of moisture at a microscale level, accounting for factors
such as pore size, shape, and connectivity. It involves complex calculations and is suitable for detailed analysis of specific porous structures.
The microscopic model provides insights into the internal dynamics of
drying, such as capillary effects and local moisture distribution. On the
other hand, the macroscopic model takes a more simplified approach by
considering the porous material as a homogenous medium. It describes
the overall behavior of the drying process at a larger scale, treating
the absorbent material as a continuum. The macroscopic model employs equations that represent the average properties of the material,
such as moderate moisture content and temperature. This approach is
computationally less intensive and provides a broader understanding
of the drying process. Both the microscopic and macroscopic models
have their advantages and limitations. The microscopic model offers
detailed insights into the intricate mechanisms occurring at the pore
level but requires extensive computational resources. The macroscopic
model simplifies the drying process but cannot capture local variations
and specific pore-level interactions.