Resin flow through multi-ply woven fabrics is affected by the fibre orientation and laminate stacking sequence during the impregnation process. This is characterised by permeability, which measures the ability of transferring fluids within a 2D or 3D layered woven fibre architecture (i.e., through a porous medium). The work aims to investigate the feasibility of characterising macro-scale flow permeability via the micro-meso-scale (dual-scale) permeability across and along woven yarns, with different structures of yarn nesting, non-shifting, and ply orientation. The permeability characterisation is performed using Ansys-Fluent software package where textile architectures and resin flow in porous media are simulated. The results show that in- and out-plane permeability of the nested, non-shifted and oriented single-ply woven preforms are different than that corresponding to multi-layered plates, making them only applicable for dual-scale permeabilities. However, with a number of plies in the multi-ply woven fabrics - e.g., 9-ply and 5-ply, for in- and out-of-plane flows, respectively - the dual-scale permeabilities can be extended to macro-flow making them applicable at all scales (multi-scale flow). The calculated in-plane multi-scale permeabilities are then used in the 2D simulations and compared with the analytical solution of the Darcy's equation, which resulted in a very good agreement.
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Univ Salerno, Dept Ind Engn, Via Giovanni Paolo 2 132, I-84084 Fisciano, ItalyUniv Salerno, Dept Ind Engn, Via Giovanni Paolo 2 132, I-84084 Fisciano, Italy
Carlone, Pierpaolo
Rubino, Felice
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Univ Salerno, Dept Ind Engn, Via Giovanni Paolo 2 132, I-84084 Fisciano, ItalyUniv Salerno, Dept Ind Engn, Via Giovanni Paolo 2 132, I-84084 Fisciano, Italy
Rubino, Felice
Paradiso, Valentino
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Univ Salerno, Dept Ind Engn, Via Giovanni Paolo 2 132, I-84084 Fisciano, ItalyUniv Salerno, Dept Ind Engn, Via Giovanni Paolo 2 132, I-84084 Fisciano, Italy
机构:
EMPRESA BRASILEIRA AERONAUT,DIV COMPOSITE MAT,BR-12227901 S JOSE CAMPOS,SP,BRAZILEMPRESA BRASILEIRA AERONAUT,DIV COMPOSITE MAT,BR-12227901 S JOSE CAMPOS,SP,BRAZIL
DEALMEIDA, SFM
NETO, ZDN
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EMPRESA BRASILEIRA AERONAUT,DIV COMPOSITE MAT,BR-12227901 S JOSE CAMPOS,SP,BRAZILEMPRESA BRASILEIRA AERONAUT,DIV COMPOSITE MAT,BR-12227901 S JOSE CAMPOS,SP,BRAZIL
机构:
Univ Salerno, Dept Ind Engn, Via Giovanni Paolo 2 132, I-84084 Fisciano, ItalyUniv Salerno, Dept Ind Engn, Via Giovanni Paolo 2 132, I-84084 Fisciano, Italy
Carlone, Pierpaolo
Rubino, Felice
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Univ Salerno, Dept Ind Engn, Via Giovanni Paolo 2 132, I-84084 Fisciano, ItalyUniv Salerno, Dept Ind Engn, Via Giovanni Paolo 2 132, I-84084 Fisciano, Italy
Rubino, Felice
Paradiso, Valentino
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Univ Salerno, Dept Ind Engn, Via Giovanni Paolo 2 132, I-84084 Fisciano, ItalyUniv Salerno, Dept Ind Engn, Via Giovanni Paolo 2 132, I-84084 Fisciano, Italy
机构:
EMPRESA BRASILEIRA AERONAUT,DIV COMPOSITE MAT,BR-12227901 S JOSE CAMPOS,SP,BRAZILEMPRESA BRASILEIRA AERONAUT,DIV COMPOSITE MAT,BR-12227901 S JOSE CAMPOS,SP,BRAZIL
DEALMEIDA, SFM
NETO, ZDN
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机构:
EMPRESA BRASILEIRA AERONAUT,DIV COMPOSITE MAT,BR-12227901 S JOSE CAMPOS,SP,BRAZILEMPRESA BRASILEIRA AERONAUT,DIV COMPOSITE MAT,BR-12227901 S JOSE CAMPOS,SP,BRAZIL