OS0317 VaRTM成形における電気的測定と数値解析を用いた非侵入型フローモニタリング(OS3-4 電磁気,OS-3 非破壊評価と構造モニタリング2)

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  • OS0317 Non-intrusive flow monitoring in a VaRTM process using electrical measurement and numerical analysis

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Vacuum assisted Resin Transfer Molding (VaRTM) is a composite molding process by which resin is drawn through fiber preforms using a vacuum pressure. We proposed a method to measure resin impregnation in a VaRTM process non-intrusively on the basis of the ensemble Kalman filter (EnKF). In this method, the resin-impregnated region was estimated by a combination of measuring capacitances from a set of electrodes and a simulation of a VaRTM process. The proposed method was examined by a numerical experiment and it was confirmed that the flow velocity reduction in a low permeability region can be estimated.

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