Stress Generated During Drying of Saturated Porous Media |
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Authors: | D. Mihoubi A. Bellagi |
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Affiliation: | (1) Institute of Technology and Chemical Engineering, Pozna University of Technology, pl. Marii Skodowskiej Curie 2, 60-965 Pozna, Poland |
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Abstract: | The article is a contribution for the modelling of heat and mass transfers coupled to strain–stress equations during drying of deformable two-phase media. Both unidirectional and bidirectional configurations are examined. In order to compare the results, one assumes the material of a convectively dried clay slab in two configurations. Numerical calculations of the temperature, drying curves variations and the spatio-temporal distributions of moisture, temperature and drying induced stresses are evaluated. A significant difference was observed between the results obtained for both configurations particularly in intensity of the shear stress that caused cracking. |
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