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The Scientific World Journal
Volume 2014, Article ID 912380, 11 pages
http://dx.doi.org/10.1155/2014/912380
Research Article

Study of Water Absorption in Raffia vinifera Fibres from Bandjoun, Cameroon

1Laboratory of Industrial and Systems Engineering Environment (LISIE), IUT/FV Bandjoun, University of Dschang, Cameroon
2Laboratory of Mechanics and Modeling of Physical System (L2MSP), University of Dschang, Cameroon
3Laboratory of Mechanics and Adapted Materials (LAMMA), ENSET, University of Douala, Cameroon
4Laboratory of Physics and Mechanics Textile (LPMT), ENSISA, University of Haute Alsace, France

Received 19 August 2013; Accepted 6 November 2013; Published 23 January 2014

Academic Editors: P. Potiyaraj and Y.-W. Yen

Copyright © 2014 N. R. Sikame Tagne et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

The study is focused on the water diffusion phenomenon through the Raffia vinifera fibre from the stem. The knowledge on the behavior of those fibres in presence of liquid during the realization of biocomposite, is necessary. The parameters like percentage of water gain at the point of saturation, modelling of the kinetic of water absorption, and the effective diffusion coefficient were the main objectives. Along a stem of raffia, twelve zones of sampling were defined. From Fick’s 2nd law of diffusion, a new model was proposed and evaluated compared to four other models at a constant temperature of 23°C. From the proposed model, the effective diffusion coefficient was deduced. The percentage of water gain was in the range of 303–662%. The proposed model fitted better to the experimental data. The estimated diffusion coefficient was evaluated during the initial phase and at the final phase. In any cross section located along the stem of Raffia vinifera, it was found that the effective diffusion coefficient increases from the periphery to the centre during the initial and final phases.