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Experimental investigation of the hygrothermal performance of a new biocomposite material at wall scale

Abstract : The present work aims to study the hygrothermal behavior at wall scale of a new biocomposite material made with concrete reinforced with natural fibers. The outdoor climate conditions were simulated using a climatic chamber on the one side of the wall, while the conditions of temperature and relative humidity on the other side of the wall were maintained at constant values. The temperature and relative humidity were monitored at different depths of the wall using sensors. Several hygric phenomena were highlighted such as homogeneous vapor diffusion and huge vapor pressure variations due to the evaporation-condensation and sorption-desorption phenomena. Besides, significant thermal and hygric inertia was observed through the Date Palme Concrete (DPC) wall. The response time of our biocomposite wall is relatively short for temperature variation compared to the humidity ones.
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https://hal.archives-ouvertes.fr/hal-03088988
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Submitted on : Sunday, December 27, 2020 - 5:15:16 PM
Last modification on : Saturday, January 15, 2022 - 3:48:22 AM
Long-term archiving on: : Monday, March 29, 2021 - 6:38:31 PM

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Nawal Chennouf, Boudjemaa Agoudjil, Abderrahim Boudenne, Karim Benzarti, Fethi Bouras. Experimental investigation of the hygrothermal performance of a new biocomposite material at wall scale. THERMOPHYSICS 2018: 23rd International Meeting of Thermophysics 2018, Nov 2018, Smolenice, Slovakia. pp.020012, ⟨10.1063/1.5047606⟩. ⟨hal-03088988⟩

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