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Study of the Thermal Properties of Clay-Straw Composite Material for Thermal Insulation of Buildings
Oumar DIALLO1, Mory COULIBALY2, Djiby COULIBALY3, Ahmadou Samba TOURE4, Harouna Mamadou BAL5, Salif GAYE6

1Prof. Oumar DIALLO, Laboratoire de Matériaux d’Énergétique, d’Electricité et d’Economie (LM3E), Institut Universitaire de Technologie de l’Université de Thiès, Sénégal.

2Dr. Mory COULIBALY, Laboratoire de Matériaux d’Énergétique, d’Electricité et d’Economie (LM3E), Institut Universitaire de Technologie de l’Université de Thiès, Sénégal.

3Djiby COULIBALY, Laboratoire de Matériaux d’Énergétique, d’Electricité et d’Economie (LM3E), Institut Universitaire de Technologie de l’Université de Thiès, Sénégal.

4Ahmadou Samba TOURE, Laboratoire de Matériaux d’Énergétique, d’Electricité et d’Economie (LM3E), Institut Universitaire de Technologie de l’Université de Thiès, Sénégal.

5Prof. Harouna Mamadou BAL, Laboratoire de Matériaux d’Énergétique, d’Electricité et d’Economie (LM3E), Institut Universitaire de Technologie de l’Université de Thiès, Sénégal.

6Prof. Salif GAYE, Laboratoire de Matériaux d’Énergétique, d’Electricité et d’Economie (LM3E), Institut Universitaire de Technologie de l’Université de Thiès, Sénégal.  

Manuscript received on 19 December 2024 | First Revised Manuscript received on 26 December 2024 | Second Revised Manuscript received on 06 January 2025 | Manuscript Accepted on 15 January 2025 | Manuscript published on 30 January 2025 | PP: 1-4 | Volume-14 Issue-2, January 2025 | Retrieval Number: 100.1/ijitee.B102914020125 | DOI: 10.35940/ijitee.B1029.14020125

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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: Clay is an environmentally-friendly material available throughout Senegal. To reduce the energy consumption of buildings and the emission of greenhouse gases, clay is often used in construction, and natural insulating materials such as straw are combined with it to improve its thermal properties. An experimental transient parallel hot-wire measurement was used to determine the influence of straw addition on the thermal properties of the composite material. The thermal results showed that adding straw to the clay reduced its thermal conductivity by 61%. The clay-straw composite could therefore be an alternative to concrete-based materials for ensuring thermal comfort in buildings.

Keywords: Clay, Straw, Thermal Conductivity, Thermal Capacity, Parallel Hot Wire, Thermal Insulation.
Scope of the Article: Thermal Engineering