| Summary: | The present data article is concerned with the hygrothermal performance at the wall scale of a new bio-based building material including date palm fibres. A specific test setup allowed to measure temperature and relative humidity (RH) profiles at three different depths of the bio-based wall subjected to outdoor boundary conditions. Besides, a partial differential equations resolution software was then used to solve two mathematical models (i.e., Kunzel and Mendes models) describing heat and moisture transfer in porous building materials. Both experimental/simulated temperature and RH profiles are provided with this dataset article. The proposed experimental setup can be used for studying the hygrothermal performance of different kinds of bio-based building materials at wall scale, while experimental/numerical data can serve as reference values for the validation of mathematical models intended to describe heat and mass transfer. Keywords: Hygrothermal, Bio-based building materials, Date palm, Heat and moisture transfer, Wall scale, Mathematical models, Simulation
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