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Numerical anlysis of the vacuum infusion process for laminated composites with different fiber orientations.

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Identifiers
URI: http://hdl.handle.net/10317/5512
ISSN: 0731-6844
DOI: 10.1177/0731684414566361
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Author
Hurtado Sánchez, Francisco José; Sánchez Kaiser, Antonio; Viedma Robles, Antonio; Díaz, Sebastián
Research Group
Mecánica de Fluidos e Ingeniería Térmica
Knowledge Area
Mecánica de Fluidos
Sponsors
The research work presented in this paper has been carried out under the project "Automation of the global manufacturing process for wind turbine blades (AQ{BLADE)" IDI{20110154, nancially supported by Centro para el Desarrollo Tecn ologico Industrial (CDTI) from the Spanish Government.
Publication date
2015-02
Bibliographic Citation
Francisco J Hurtado, Antonio S Kaiser, Antonio Viedma and Sebastián Díaz, “Numerical study of the vacuum infusion process for laminated composites with different fiber orientations “, Journal of Reinforced Plastics and Composites 34 (3): 196-212, February 2015
Peer review
SI
Keywords
Vacuum infusion, Liquid Composite Molding, Computational modeling
Abstract
The vacuum infusion (VI) is a process usually applied to manufacture large structures of composite materials, such as wind turbine blades. Present work analyzes the macroscopic resin ow through a laminate of fiberglass plies with different orientations, during the filling stage of the VI process to manufacture two different pieces. The pressure inside the mold, velocity vectors and the resin inlet mass flow are studied through a 3D numerical modeling under non-steady conditions validated experimentally. The numerical model simulates each ply of the laminate like an individual porous media and takes into account the stacking sequence of the laminate. The influence of the permeability values of the distribution media and the fiberglass laminate on the evolution of resin infusion is analyzed. The numerical model reproduces the effects of the stacking sequence and race-tracking on the resin flow front.
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