Numerical analysis of the vacuum infusion process for sandwich composites with perforated core and different fiber orientations.
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Hurtado Sánchez, Francisco José; Sánchez Kaiser, Antonio; Viedma Robles, Antonio; Díaz, SebastiánResearch Group
Mecánica de Fluidos e Ingeniería TérmicaKnowledge Area
Mecánica de FluidosSponsors
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, financially supported by Centro para el Desarrollo Tecnológico Industrial (CDTI) from the Spanish Government.Publication date
2016Bibliographic Citation
Francisco J Hurtado, Antonio S Kaiser, Antonio Viedma and Sebastián Díaz, “Numerical analysis of the vacuum infusion process for sandwich composites with perforated core and different fiber orientations”, Journal of Sandwich Structures and Materials, Vol. 18(4), pp. 415–444, 2016.Peer review
SIKeywords
Vacuum infusionSandwich composites
Perforated core
Fiber orientation
Computational modeling
Abstract
The vacuum infusion is a process usually applied to manufacture large structures of
composite materials, such as wind turbine blades. The specific stiffness and weight ratio
required by these structures can be achieved by manufacturing sandwich composites.
The forecast by numerical simulation of the resin infusion flow is an indispensable tool
to design and optimize the manufacturing process of composite. Present work analyzes
by numerical simulation the mold filling process of a sandwich composites, performed
by fiberglass plies with different fiber orientations and a perforated core. The flow
through a single perforation of the core is analyzed and the influence of the permeability
values of fiberglass on the volume flow through core perforations is determined. In
order to reduce the computing costs, a transfer function to simulate the flow through
the perforations is developed and integrated in the numerical code by computational
subroutines. A 3D numerical modeling of a ...
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