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A study on the optimal design of UAM seats
Modern Physics Letters B ( IF 1.8 ) Pub Date : 2024-05-10 , DOI: 10.1142/s0217984924410124
Ji-Hun Seok 1, 2 , Yun-Hae Kim 3 , Sung-Youl Bae 1
Affiliation  

The objective of this study is to enhance the efficiency of urban air mobility (UAM) air transportation by determining the optimal design, materials, and processes of seven different manufactured fiber-reinforced plastics (FRP), and to confirm their applicability for next-generation UAM aircraft seats. Structural designs for the aircraft seat models were carried out using carbon fiber-reinforced plastic (CFRP), glass fiber-reinforced plastic (GFRP), and GFRP chop materials, employing Autoclave, Hot-press, and vacuum-assisted resin transfer molding (VaRTM) processes, resulting in a total of seven FRP configurations. It was confirmed that CFRP seats were 50% lower weight than aluminum models, while GFRP seats showed a 30% reduction. Although Autoclave processing resulted in the highest tensile strength at 985MPa, VaRTM processing also produced strength levels comparable to Autoclave processing. Structural integrity assessments of the seat models, utilizing the Korean aviation standards (KAS), confirmed that the designed seat models exhibited no failure or deformation under the conditions required by the technical standards. This study provides insights into the potential application of the seven types of FRP materials in the design of aircraft seats, offering weight reduction benefits and meeting the structural integrity requirements outlined by KAS.



中文翻译:


城市空中交通座椅优化设计研究



本研究的目的是通过确定七种不同制造的纤维增强塑料 (FRP) 的最佳设计、材料和工艺来提高城市空中交通 (UAM) 航空运输的效率,并确认它们对下一代的适用性UAM 飞机座位。飞机座椅模型的结构设计采用碳纤维增强塑料 (CFRP)、玻璃纤维增​​强塑料 (GFRP) 和 GFRP 短切材料,采用高压釜、热压和真空辅助树脂传递模塑 (VaRTM) 技术进行)过程,总共产生七种 FRP 配置。经证实,CFRP 座椅的重量比铝制车型轻 50%,而 GFRP 座椅的重量则减轻了 30%。尽管高压釜处理产生了 985MPa 的最高拉伸强度,但 VaRTM 处理也产生了与高压釜处理相当的强度水平。利用韩国航空标准(KAS)对座椅模型进行结构完整性评估,确认所设计的座椅模型在技术标准要求的条件下没有出现故障或变形。这项研究深入探讨了七种 FRP 材料在飞机座椅设计中的潜在应用,提供减重优势并满足 KAS 概述的结构完整性要求。

更新日期:2024-05-10
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