Evaluation of Classical Models for Thermal and Moisture Transport in Stone Walls of Historical Buildings

Abstract:

This paper concerns the evaluation and the validation of a heat and moisture transfer models in stone walls using in situ measurements on an instrumented wall. Firstly, a pure thermal (respectively moisture) diffusion problems are considerate, then this problem was combined with convection on the external edge of model. It is found that, despite of an uncoupled approach, the nonlinear thermal diffusive model performs quite well and reproduces perfectly the measured temperatures. It is the same for the convective-diffusive thermal problem, where the temperature on the surface wall is also reproduced quite well. An improvement of this second type problem results could be expected by taking into account the radiation. Otherwise, the both cases of moisture transfer problem (purely diffusive or diffusive-convective problem) are ill-simulated by the Kunzel’s model.

• Periodical: Advanced Engineering Forum (Volume 21)
• Pages: 161-168
• DOI: https://doi.org/10.4028/www.scientific.net/AEF.21.161
• Online since: March 2017
• Authors: Iuliia Redikultseva*, Dashnor Hoxha, Naima Belayachi
• Keywords: Classical Modelling, Historical Buildings, Moisture Transport, Thermal Transport, Tuffeau Stone

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