Multi-scale modeling and online monitoring of resin flow through dual-scale textiles in liquid composite molding processes

被引：51

作者：

Carlone, Pierpaolo ^{[1
]}

Rubino, Felice ^{[1
]}

Paradiso, Valentino ^{[1
]}

Tucci, Fausto ^{[1
]}

机构：

[1] Univ Salerno, Dept Ind Engn, Via Giovanni Paolo 2 132, I-84084 Fisciano, Italy

来源：

INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY | 2018年 / 96卷 / 5-8期

关键词：

Liquid composite molding; Multi-scale flow model; Permeability; Saturation rate; Online monitoring; Dielectric sensor; FIBER TOW SATURATION; FIBROUS POROUS-MEDIA; POLYMER MATRIX COMPOSITES; UNSATURATED FLOW; PERMEABILITY CHARACTERIZATION; REINFORCED COMPOSITES; GOVERNING EQUATIONS; DIELECTRIC SENSORS; REACTIVE FLOWS; WOVEN;

D O I：

10.1007/s00170-018-1703-9

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper discusses a multi-scale approach for the simulation of preform impregnation and a dielectric flow monitoring system in liquid composite molding processes. A mesoscale unit cell was built based on image analysis of the microstructure of manufactured composite laminates. Bulk permeability and saturation rate were computed at the mesoscale and then introduced in the macroscale model modifying the governing mass and momentum equations. The model was used to simulate a unidirectional infusion test, in order to compare numerical results with experimental data from pressure measurements. Moreover, a non-invasive dielectric monitoring system for unsaturated and saturated flow tracking was developed. The good agreement exhibited by the numerical and experimental results points out the capability of the multiscale model as well as of the dielectric monitoring system.

引用

页码：2215 / 2230

页数：16

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