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Article

Impact of the Design of Walls Made of Compressed Earth Blocks on the Thermal Comfort of Housing in Hot Climate

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Laboratoire Eco-Matériaux et Habitats Durables (LEMHaD), Institut International d’Ingénierie de l’Eau et de l’Environnement (Institut 2iE), Rue de la Science, Ouagadougou 01 BP 594, Burkina Faso
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Architecture et Climat, Université Catholique de Louvain (UCLouvain), Place du Levant 1, 1348 Ottignies-Louvain-la-Neuve, Belgium
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Author to whom correspondence should be addressed.
Received: 20 July 2020 / Revised: 16 August 2020 / Accepted: 26 August 2020 / Published: 3 September 2020
(This article belongs to the Special Issue Advances in Sustainable Building Material Engineering)
This study investigated the impact of the design of wall systems, mainly made of compressed earth blocks (CEB), on the indoor thermal comfort of naturally ventilated housing in hot climates of Burkina Faso. Conventional housing was modeled and calibrated using the WUFI® Plus dynamic simulation tool based on typical field surveys and the literature. This allowed testing the ability of different wall designs to impact thermal comfort. Thermal discomfort was assessed through an adaptive approach and was based on the annual weighted exceedance hours of overheating. Six designs of walls made of CEB and other locally available materials were simulated and compared to those made of classical hollow concrete blocks. The results of the simulation reveal that the profiles of thermal discomfort vary depending on the wall designs and building spaces. Thus, the wall made, from the outside toward the inside surface, of plywood of 2 cm, an insulation layer of 5 cm and a CEB layer of 29 cm thickness is the most suitable for an annual reduction in overheating for the living room. Regarding the bedroom, the most suitable wall is made of a 14 cm CEB layer, 5 cm insulating layer and 2 cm wood layer from the outside toward the inside surface. View Full-Text
Keywords: compressed earth block; building thermal simulation; earthen material; thermal comfort; wall design in hot climate; weighted exceedance hour compressed earth block; building thermal simulation; earthen material; thermal comfort; wall design in hot climate; weighted exceedance hour
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MDPI and ACS Style

Hema, C.; Messan, A.; Lawane, A.; Van Moeseke, G. Impact of the Design of Walls Made of Compressed Earth Blocks on the Thermal Comfort of Housing in Hot Climate. Buildings 2020, 10, 157. https://0-doi-org.brum.beds.ac.uk/10.3390/buildings10090157

AMA Style

Hema C, Messan A, Lawane A, Van Moeseke G. Impact of the Design of Walls Made of Compressed Earth Blocks on the Thermal Comfort of Housing in Hot Climate. Buildings. 2020; 10(9):157. https://0-doi-org.brum.beds.ac.uk/10.3390/buildings10090157

Chicago/Turabian Style

Hema, Césaire, Adamah Messan, Abdou Lawane, and Geoffrey Van Moeseke. 2020. "Impact of the Design of Walls Made of Compressed Earth Blocks on the Thermal Comfort of Housing in Hot Climate" Buildings 10, no. 9: 157. https://0-doi-org.brum.beds.ac.uk/10.3390/buildings10090157

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