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Effect of Variation in Temperature on Thermal Conductivity of Compressed Earth Block (CEBs) in Dry and Ambient States

N. Zakham(1), Kamal Gueraoui(2*), H. Bouabid(3), M. Cherraj(4), M. Belcadi(5)

(1) Team of Modeling and simulating in Mechanics and Energetic, Faculty of Sciences, Mohamed V University, Morocco
(2) Team of Modeling and simulating in Mechanics and Energetic, Faculty of Sciences, Mohamed V University, Morocco
(3) Laboratory of Mechanics and Materials, Faculty of Sciences, Mohamed V University, Morocco
(4) Team of Modeling and simulating in Mechanics and Energetic, Faculty of Sciences, Mohamed V University, Morocco
(5) Team of Modeling and simulating in Mechanics and Energetic, Faculty of Sciences, Mohamed V University, Morocco
(*) Corresponding author


DOI: https://doi.org/10.15866/irece.v7i4.9971

Abstract


In our days, the hydrothermal behavior of building materials raises a deep interest. The search for energy savings, by using techniques of optimization of thermo-physiques characteristics of materials of the building walls, is grown. It is important to measure the local thermal conductivity in such materials when they are facing changes in temperature gradients and humidity. Our primary objective is to determine thermal conductivity (λ) of ambient and dry material of compressed earth blocks stabilized by cement (CEBs). Usually this characteristic is measured experimentally and numerically by using the transfer heat into compressed earth block (CEBs). The numerical model used to solve the 2-D is based on the finite volume method. The obtained algebraic systems are solved by the double scanning mesh method. The measurement technique used to determine the thermal conductivity is called 'hot rings method'.
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Keywords


Compressed Earth Blocks; Thermal Conductivity; Cement; Temperature; Hot Rings Method

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References


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