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Modeling and simulation of drying kinetics/curves: application to building materials

Modeling and simulation of drying kinetics/curves: application to building materials The paper presents an extensive review on the fundamentals of drying, represented by drying kinetics, and models of some building materials and their importance as highlighted in several studies presented by researchers in this area. The objective of the review is to present gaps and existing approaches that will serve as reference pool for researchers working in this area. This helps to determine the end point of drying process of various building material to avoid negative effects, such as shrinkage, cracks, and deformations. Different developmental approaches for each model and methods of simulation in building materials drying were presented with attention given to the application of variable drying conditions. The review revealed that empirical, such as phenomenological model, mechanistic and numerical models, such as diffusion model and Whitaker model, have been applied to predict the drying behavior of building materials with coefficients and boundary conditions being product specific. The major factors considered in these models were type of material, thickness and its physical characteristics, as well as the operating conditions mainly represented by the temperature and humidity of the drying air. The literature review shows that the available simulation tools were TRHumidade, Wufi Pro software and CFD developed to simulate drying process of building materials. It important to mention that in this study the focus was on the mass transfer and then the presented tools or software were the ones able to show and predict the distribution of the moisture inside the drying product. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Building Pathology and Rehabilitation Springer Journals

Modeling and simulation of drying kinetics/curves: application to building materials

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References (52)

Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2021
ISSN
2365-3159
eISSN
2365-3167
DOI
10.1007/s41024-021-00143-0
Publisher site
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Abstract

The paper presents an extensive review on the fundamentals of drying, represented by drying kinetics, and models of some building materials and their importance as highlighted in several studies presented by researchers in this area. The objective of the review is to present gaps and existing approaches that will serve as reference pool for researchers working in this area. This helps to determine the end point of drying process of various building material to avoid negative effects, such as shrinkage, cracks, and deformations. Different developmental approaches for each model and methods of simulation in building materials drying were presented with attention given to the application of variable drying conditions. The review revealed that empirical, such as phenomenological model, mechanistic and numerical models, such as diffusion model and Whitaker model, have been applied to predict the drying behavior of building materials with coefficients and boundary conditions being product specific. The major factors considered in these models were type of material, thickness and its physical characteristics, as well as the operating conditions mainly represented by the temperature and humidity of the drying air. The literature review shows that the available simulation tools were TRHumidade, Wufi Pro software and CFD developed to simulate drying process of building materials. It important to mention that in this study the focus was on the mass transfer and then the presented tools or software were the ones able to show and predict the distribution of the moisture inside the drying product.

Journal

Journal of Building Pathology and Rehabilitation – Springer Journals

Published: Dec 1, 2022

Keywords: Convective drying; Operating conditions; Building materials; Fundamentals

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