Improving the Building Energy Efficiency and Thermal Comfort through the Design of Walls in Compressed Earth Blocks of Agricultural and Biopolymer Residues Masonry: A Recent Study

In this study, the effect of wall building materials on hygrothermal behaviour and energy efficiency in homes is examined. Nowadays, the majority of individuals make significant financial investments to upgrade the interior conditions of their buildings in order to live in a posh setting. Three different types of construction materials were used to produce the building design in the Design Builder interface for the wall: CSEB of fonio straw and Shea butter cakes, cement blocks, and cut laterite blocks. The total amount of energy needed for building cooling was calculated using dynamic modelling with Energy Plus software. We conducted a simulation utilising the weather conditions in Ouagadougou City, and we found that the thermal behaviour of the housing is affected by in earth-based simulations, the wall. The results show that, in comparison to homes with a cement or cut laterite block masonry wall, the number of warm thermal discomfort hours and cooling energy loads are decreased in homes with a CSEB of fonio straw and Shea butter cakes by an average of 10.60 percent and 93.86 percent, respectively. The earth-based influence of this wall allows for an average interior temperature and indoor operating temperature of 28.64°C and 25.82°C, respectively, on the inside environment. The average inside temperature peaks dampening at 6.54°C (i.e. 22.83 percent). Because of this, these CSEB walls provide a useful contribution to the creation of sustainable homes in a hot climate.

Author (s) Details

Etienne Malbila
Laboratoire d’Energies Thermiques Renouvelables, (LETRE), Université Joseph KI-ZERBO, Ouagadougou, Burkina Fasoa and Université de Fada N’Gourma, Fada N’Gourma, Burkina Faso.

Simon Delvoie
Laboratoire de Matériaux de Construction (LMC), Université de Liege, Liege, Belgium.

David Toguyeni
Laboratoire de Physique et Chimie de l’Environnement (LPCE), Université Joseph KI-ZERBO, Ouagadougou, Burkina Faso.

Luc Courard
Laboratoire de Matériaux de Construction (LMC), Université de Liege, Liege, Belgium.

Shady Attia
Sustainable Building Design Lababoratory, Université de Liege, Liege, Belgium.

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Keywords – Modelling and simulation, eco-materials, thermal comfort, energy efficiency, housing, hot region.

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