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Etude des transferts hygrothermiques dans les matériaux à base de bois et leurs contributions à l'ambiance intérieure des bâtiments

Abstract : The general aim of the thesis is to advance the understanding of multi-physical behavior of wooden buildings and improving the assessment of their energy performance with comfort hygrothermal. Sector professionals and scientific studies show the differences between the calculations and performance measures (consumption, comfort) of these buildings. The reasons for these differences are not yet well understood: the impact of moisture and latent heat in these constructions are often put forward as a likely explanation, although this is still research. The most recent studies show that the foundations are likely to fall at the hygrothermal behavior of materials at the base of wooden unsteady. This work will focus primarily on two studies scales: scale and scale building material. One of the lines of work of the thesis will focus on the experimental characterization of hygroscopic properties of wood-based materials and their modeling. The second strand of work will focus on building wide integration of these materials in modeling, integrating the impact of specific properties of these materials in the walls constituent assemblies and in complex balance sheets at the building scale . An experimental study will focus on a living room with a large presence of wood in the building envelope to characterize the hygrothermal comfort, and quantify the contribution of Hygric inertia of the envelope on performance in terms of the atmosphere comfort. If necessary, measures will also be drawn to scale "wall" on one hand, on real structures on the other
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Thomas Busser. Etude des transferts hygrothermiques dans les matériaux à base de bois et leurs contributions à l'ambiance intérieure des bâtiments. Science des matériaux [cond-mat.mtrl-sci]. Université Grenoble Alpes, 2018. Français. ⟨NNT : 2018GREAA010⟩. ⟨tel-02131043⟩

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