Ousmane Coulibaly

Thermal conductivity and microstructure of a novel clay-sorghum fiber biocomposite: Analytical homogenization models and X-ray computed tomography

Hamidou Sankara, Ousmane Coulibaly, Dominique Baillis, Naïm Naouar et autres

The building sector accounts for approximately 40% of global energy consumption, creating an urgent need for sustainable, low-carbon construction materials. In hot and arid climates such as those prevailing in the Sahelian region of Burkina Faso, unfired earth bricks incorporating natural fibers …

fr, Burkina Faso (code pays fourni par la source)

Comparative Study on Hygrothermal Behavior of Sustainable Building Materials

Benjamin Kiema, Salifou Cissé, Hermann Kabore, Ousmane Coulibaly

Hygrothermal transfers have a decisive influence on the thermo-hydraulic behavior and durability of building materials. They directly influence energy performance of buildings, thermal comfort of occupants, and longevity of structures. This study presents a comparative analysis of heat and mass transfer mechanisms …

Burkina Faso (code pays fourni par la source)

Optimization of a Building's Indoor Temperature and Sensitive Air-Conditioning Loads Using the BLT-Parpaing Hollow Double Wall

Daouda Sawadogo, Benjamin Kiema, Ousmane Coulibaly

In hot, dry tropical climates (sahelian), such as Ouagadougou (Burkina Faso), high demand for air conditioning in buildings poses a major energy challenge. This study aims to optimize the indoor temperature and sensible air conditioning loads of a typical three-bedroom F3 building …

Burkina Faso (code pays fourni par la source)

Connaissances et perceptions des acteurs d’aide à l’observance au traitement antirétroviral des personnes infectées par le VIH sur les dispositifs d’aide existant au Burkina Faso

Wedminère Noélie Zoungrana-Yameogo, AR Belem, S Ouedraogo, DHL Yabre et autres

Introduction : L’observance au traitement antirétroviral est essentielle pour garantir la suppression virale chez les personnes infectées par le virus de l’immunodéficience humaine. Au Burkina Faso, divers dispositifs d’aide à l’observance ont été mis en place pour soutenir l’observance thérapeutique. Leur efficacité …

Influence of Temperature on the Sorption Isotherms of Building Materials

Benjamin Kiema, Windnigda Zoungrana, Iliyassé Konkobo, Aziz Koanda et autres

Building materials are porous and interact with moisture in the ambient air through sorption phenomena. However, under real world using conditions, the temperature of these materials varies constantly. The problem is that this temperature variation influences the materials' ability to adsorb or …

Burkina Faso, Niger (code pays fourni par la source)

Indoor Air Pollution from Solid Fuel Use: Sources and Assessment Methods – A Literature Review

Lucmane Koala, Kayaba Haro, Yomi Woro Gounkaou, Bernard Nana et autres

This paper examines the causes of deteriorating indoor air quality and the various methods of studying air pollutant emissions associated with the use of solid fuel stoves. Indoor air quality has long received less attention than outdoor air quality, despite the fact …

Burkina Faso (code pays fourni par la source)

Design and Optimization of Terracotta Tube-Based Direct Evaporative Cooling Exchanger: An Analytical Approach to Heat and Mass Transfer

Windnigda Zoungrana, Makinta Boukar, Ousmane Coulibaly, Guy Christian Tubreoumya et autres

This study develops an analytical model to evaluate the cooling performance of a porous terracotta tubular direct evaporative heat and mass exchanger. By combining energy and mass balance equations with heat and mass transfer coefficients and air psychrometric correlations, the model provides …

Burkina Faso, fr (code pays fourni par la source)

Postharvest assessment for the horticulture value chain of smallholder farmers, producing for local and regional markets in Guinea-Bissau

Thijs Defraeye, Jörg Schemminger, Pablo Oses, Simran Singh et autres

Intro & Background. In Guinea-Bissau, deploying postharvest technologies could help reduce food quality loss, increase local food preservation and nutrition security for smallholder farmers, and improve their income. General problem, knowledge gap. However, the effectiveness of any postharvest technology is dependent on …

ch, Guinée-Bissau, nl (code pays fourni par la source)

Enquête de Satisfaction des Patients au Service d’Accueil de la Clinique Ambroise Paré de Conakry, Guinée

Fanta Oularé, Jean Baptiste Dey Loua, Maurice Ouedraogo, Mathilde Koudougou et autres

RESUME Introduction. En Guinée, il existe peu d’informations disponibles sur la perception des patients par rapport aux soins de santé qu’ils reçoivent. Cette étude a pour objectif de faire un état des lieux sur le niveau de satisfaction des patients en termes …

Guinée, Burkina Faso, Sénégal (code pays fourni par la source)

Study of The Influence of Storage Media on the Thermo-mechanical Behavior of Concrete and Cement Blocks

Benjamin Kiema, Ousmane Coulibaly, Emmanuel Ouédraogo

Once all construction materials have been formulated, it is necessary to find a suitable environment in which to store them before using them in the building. Generally speaking, in developing countries, materials are not preserved under the real conditions of temperature and …

Burkina Faso (code pays fourni par la source)

Etude des diagrammes de confort thermique et des Degrés Jours de Refroidissement (DJR) des dix stations synoptiques du Burkina Faso

Benjamin Kiema, Ousmane Coulibaly

Dans ce travail de recherche, nous nous intéresserons à la détermination des diagrammes de confort thermique et des degrés jours de refroidissement (DJR)dans les dix stations synoptiques du Burkina Faso. Il s’agit d’abord d’une acquisition de données météorologiques (température et d’humidité relative) …

Computational Model of Effective Thermal Conductivity of Green Insulating Fibrous Media

Hamidou Sankara, Dominique Doermann Baillis, Ousmane Coulibaly, R. Coquard et autres

Modelling effective thermal properties is crucial for optimizing the thermal performance of materials such as new green insulating fibrous media. In this study, a numerical model is proposed to calculate the effective thermal conductivity of these materials. The fibers are considered to …

fr, Burkina Faso, Tunisie (code pays fourni par la source)