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直升机桨叶连续后缘襟翼设计与气动影响分析

Advances in Aeronautical Science and Engineering(2018)

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Abstract
在直升机旋翼减振应用中,连续后缘襟翼和常规分离式襟翼相比具有重量轻、结构紧凑、气流平稳等优点.选用压电纤维复合材料作为驱动材料,基于NACA23012翼型设计带有连续变形后缘襟翼的桨叶段,对襟翼及其驱动结构进行选材设计分析;采用流固耦合方法分析连续后缘襟翼对剖面翼型气动特性的影响.结果表明:连续后缘襟翼在直升机桨叶工作迎角、马赫数范围内可实现有效偏转,显著改变翼剖面气动升力和力矩,证明了连续后缘襟翼在旋翼减振控制中的潜在应用价值.
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Key words
rotor,helicopter,continuous trailing-edge flap,fluid-solid coupling,macro fiber composite
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