PBO/m-aramid 평직물과 SiC 섬유로 제조된 평직물의 3D 유한요소모델 생성 및 열보호 성능 시뮬레이션 연구 = 3D Finite Element Model on the Density Difference of Plain Fabrics Manufactured with PBO/m-aramid/SiC Fibers and Thermal Protection Performance Simulation

다국어 초록 (Multilingual Abstract)

In this study, a 3D model of a PBO/m-aramid and SiC fabric was created in a virtual space to evaluate the thermal protection performance of each material used in firefighting suits, and a thermal protection performance simulation study was conducted with an aim to reduce the material development lead time and development cost. To compare the thermal protection performance of the PBO/m-aramid fiber woven fabric, which is the material used for the outer fabric of the existing fire-fighting clothing, and the SiC fiber woven fabric with different fabric densities (high, medium, and low density), a thermal protection performance analysis was conducted for each yarn model after creating the geometry of the fabric model and the finite element model using virtual engineering software.
To analyze the thermal protection performance according to the density difference of the SiC fiber woven fabrics, three-dimensional (3D) models of the three types of fabrics with low, medium, and high densities were created. The thermal protection performance analysis compared the thermal protection performance against the radiation heat source exposure of the PBO/m-aramid woven fabrics and the SiC woven fabrics according to density as stated by the KS K ISO 6942 radiant heat protection test method, which is the concrete test standard. A comparison revealed that the thermal protection performance of the SiC material was superior to that of the PBO/m-aramid material, and the high-density woven SiC fabric exhibited the best thermal protection performance.

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