Journal
MULTIDISCIPLINE MODELING IN MATERIALS AND STRUCTURES
Volume 18, Issue 2, Pages 249-261Publisher
EMERALD GROUP PUBLISHING LTD
DOI: 10.1108/MMMS-12-2021-0203
Keywords
Mechanical integrity; Composite membrane; Fibres; Pressure fluid; Temperature; Lifetime membrane
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This paper presents a study on the breaking process of composite membranes used in water desalination, focusing on the parameters of temperature, fluid pressure, and accumulated retained fluid that are likely to damage the membranes. By adopting the dynamics of a fiber bundle model, the authors investigate the rupture of membranes with fibers distributed parallel to the direction of fluid flow. The results show that the increase in parameters leads to the rupture of membrane fibers and an increase in porosity. The research highlights the significant effect of accumulated retained fluid on membranes compared to temperature and fluid pressure.
Purpose The purpose of this paper is to present a study of the breaking process of composite membranes used in the water desalination. Temperature, fluid pressure and accumulate retained fluid are remarkable parameters, which are likely to damage these membranes. Design/methodology/approach In this paper, the authors adopt the dynamics of a fiber bundle model to investigate the breaking process of composite membranes with fibres distributed parallel to the direction of fluid flow. The model is based on the fiber bundle model where the fibres are randomly oriented. Findings The obtained results show that the increase in the parameters leads to an avalanche rupture of the membrane fibre and also increases its porosity. Lifetime membranes exhibit an exponential and power law vs. the parameters. Originality/value The accumulation of the retained fluid has a great effect on membranes than the temperature and fluid pressure.
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