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首页> 外文期刊>Journal of intelligent material systems and structures >Design and Fabrication of a Passive ID Morphing Aircraft Skin
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Design and Fabrication of a Passive ID Morphing Aircraft Skin

机译:被动ID变形飞机蒙皮的设计与制造

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摘要

Broad-scale area change of a non-porous surface while maintaining resistance to aerodynamic loading was demonstrated through the development of a passive elastomeric matrix composite morphing skin. The combined system includes an elastomer-fiber-composite surface layer that is supported by a flexible honeycomb structure, each of which exhibit a near-zero in-plane Poisson's ratio. A number of elastomers, composite arrangements, and substructure configurations were evaluated and characterization testing led to the selection of the most appropriate components for prototype development. The complete prototype morphing skin demonstrated 100% uniaxial extension accompanied by a 100% increase in surface area. Results from out-of-plane pressure loading showed that out-of-plane deflection of less than 0.1 in. (2.5 mm) can be maintained at various levels of area change under pressures of up to 200 psf (9.58 kPa). Applications to wing span morphing UAVs are also discussed.
机译:通过开发被动型弹性体基质复合材料变形皮,证明了无孔表面的大面积面积变化,同时保持了对气动载荷的抵抗力。该组合系统包括由柔性蜂窝结构支撑的弹性体-纤维复合表面层,每个蜂窝层均具有接近零的面内泊松比。评估了许多弹性体,复合材料排列和子结构配置,并进行了表征测试,从而为原型开发选择了最合适的组件。完整的原型变形皮肤表现出100%的单轴延伸,并伴随着表面积增加100%。平面外压力载荷的结果表明,在高达200 psf(9.58 kPa)的压力下,各种面积变化水平下都可以保持小于0.1英寸(2.5毫米)的平面外挠度。还讨论了在翼展变形无人机上的应用。

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