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Clay Products Convective Drying: Foundations, Modeling and Applications

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Drying and Energy Technologies

Part of the book series: Advanced Structured Materials ((STRUCTMAT,volume 63))

Abstract

This chapter briefly focuses on the theory and applications of drying process with particular reference to wet clay product. Herein, a modeling based on the heat and liquid diffusion theories including dimensions variations and hygro-thermal-elastic stress analysis, and the mathematical formalism to obtain the numerical solution of the governing equations using finite-volume method are presented. The model considers constant thermo-physical properties and convective boundary conditions at the surface of the solid. Applications have been done to ceramic hollow brick. Predicted results of the average moisture content, surface temperature, and moisture content, temperature and stress distributions within the porous solids are shown and analyzed, and for some drying situations they are compared with experimental drying data of the average moisture content and surface temperature of the brick along the continuous drying process.

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Acknowledgments

The authors thank to FINEP, CAPES, CNPq and FACEPE (Brazilian Research Agencies) for financial support to this research, and also to the researchers for their referenced studies which helped in improving the quality of this work.

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Correspondence to A. G. Barbosa de Lima .

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Barbosa de Lima, A.G., da Silva, J.B., Almeida, G.S., Nascimento, J.J.S., Tavares, F.V.S., Silva, V.S. (2016). Clay Products Convective Drying: Foundations, Modeling and Applications. In: Delgado, J., Barbosa de Lima, A. (eds) Drying and Energy Technologies. Advanced Structured Materials, vol 63. Springer, Cham. https://doi.org/10.1007/978-3-319-19767-8_3

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  • DOI: https://doi.org/10.1007/978-3-319-19767-8_3

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