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Kian Dadkhah Shokrollahi,Davood Toghraie,Mohammad Hashemian 한국섬유공학회 2020 Fibers and polymers Vol.21 No.3
The main objective of this paper is to analyze the injection cycle in manufacturing of rectangular, rhombus,triangular, trapezoidal parts by using of the resin transfer method. To this end, the resin flow of the injection cycle inrectangular, rhombus, triangular, trapezoidal molds is studied using both experimental method and numerical simulation. Injection cycle is modeled for two composite parts with glass resin epoxy fibers. The injection device is used forexperimental measurements. The available resin in the injection mold and its movement toward forward and permeability inrectangular, rhombus, triangular, trapezoidal molds are measured by using this system. Different tests were conducted forwoven glass fibers. Then, the finite volume method was used to model the flow of resin in four molds. Finally, the injectiontime for glass fiber was determined by experimental and numerical methods, and numerical simulation results were comparedwith experimental measurements. In this research, resin velocity graphs for woven glass fibers are plotted, which show adecrease in the velocity of the resin from the injection site. It was observed in a 90 o layout with a woven vertical glass fiberwith a porosity of 0.6607, the rate of resin advance compared to porosity is 0.623, and also porosity permeability graphs arepresented in a layout for glass fibers. The porosity in the glass fibers in the 9-layer mode was 0.6607, and in the 10-layermode, it was equal to 0.623.