使用KMU-3CFRP的传感器集成自动飞行器的结构和材料优化
Yerkebulan Nurgizat1,2, Arman Uzbekbayev1, Igor Fedorov1
1Research & Development Center "Kazakhstan Engineering" LLP, Astana 010000, Kazakhstan.
Polymers
|August 28, 2025
概括
这项研究使用超薄KMU-3材料为高空伪卫星 (HAPS) 开发了轻质复合结构. 这些结构确保在极端平流层条件下延长自主飞行器 (AAV) 任务的完整性.
科学领域:
- 材料科学与工程
- 航空航天工程
- 复合材料
背景情况:
- 航空航天系统需要适应极端环境条件的坚固材料,特别是高空伪卫星 (HAPS).
- 在高达30公里的持续运行需要能够承受平流层条件的先进材料.
研究的目的:
- 为在极端环境中运行的航空航天系统选择和应用复合材料,重点是HAPS.
- 开发一个轻量级,结构健全的自主飞行器 (AAV),用于高空长期任务.
主要方法:
- 使用KMU-3复合材料 (5-211B环氧矩阵中的高模块碳纤维) 进行托架结构开发.
- 通过有限元法 (FEM) 模拟和计算流体动力学 (CFD) 分析评估机械,热和空气动力学性能.
- 通过实验原型设计开发并测试了复合材料连接的新型热粘合技术.
主要成果:
- 超薄 (0.1毫米壁厚) 的KMU-3结构在动态负载下表现出结构完整性,实现轻量化设计 (45公斤).
- 新的热粘合技术产生了40MPa的剪切强度和10^6周期的疲劳寿命.
- 优化纤维定向和环氧基质提供了对机械应力和辐射的优异耐受性,具有从-60°C到+80°C的稳定性.
结论:
- 使用KMU-3复合材料的经过验证的轻质 (45公斤) 结构适用于下一代HAPS.
- 开发的材料和粘合技术支持在恶劣的平流层条件下延长任务的持续时间.
- 这项研究为设计用于极端高空作战的先进自动驾驶飞行器提供了坚实的框架.
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