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Fibers 2018, 6(4), 75; https://doi.org/10.3390/fib6040075

Modeling of Coupled Heat and Mass Transfers in a Stabilized Earthen Building Envelope with Thatched Fibers

1
Environmental Energy Technologies Laboratory (EETL), Department of Physics, Faculty of Science, University of Yaounde I, P.O. Box 812 Yaounde, Cameroon
2
School of Geology and Mining Engineering, Department of Basic Scientific Teaching, University of Ngaoundere, P.O. Box 454 Ngaoundere, Cameroon
3
Laboratory of Energy, Water and Environment (L3E), National Advanced School of Engineering, Yaoundé, P.O. Box 8390 Yaounde, Cameroon
4
Department of Physics, Higher Teachers’ Training College, University of Maroua, P.O. Box 55 Maroua, Cameroon
*
Author to whom correspondence should be addressed.
Received: 10 August 2018 / Revised: 14 September 2018 / Accepted: 29 September 2018 / Published: 2 October 2018
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Abstract

In order to reduce the heat and mass transfers in buildings, which increase energy bills, the development of composites materials such as earth bricks stabilized with thatch fibers is important for their construction. This paper aims to study a one-dimensional model of heat and moisture transfer through porous building materials. The coupled phenomena of heat and mass transfer are described by the Luikov model. Equations and boundary conditions are discretized using the finite difference method. The results obtained illustrate the temporal evolutions of the temperature and the moisture content, as well as the distributions of the temperature and moisture content inside the wall. The profile of the temperature and water content that are obtained are compared with the other numerical solutions that are available in the literature. View Full-Text
Keywords: heat and moisture transfer; thatch fibers; finite differences method heat and moisture transfer; thatch fibers; finite differences method
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Nitcheu, M.; Njomo, D.; Meukam, P.; Talla, C.F. Modeling of Coupled Heat and Mass Transfers in a Stabilized Earthen Building Envelope with Thatched Fibers. Fibers 2018, 6, 75.

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