Morphing thickness in airfoils using pneumatic flexible tubes and Kirigami honeycomb

被引：7
|
作者：
Sun, Jian [1 ,2 ]
Scarpa, Fabrizio [2 ]
Liu, Yanju [3 ]
Leng, Jinsong [1 ]
机构：
[1] Harbin Inst Technol, Ctr Composite Mat & Struct, POB 3011,2 YiKuang St, Harbin 150080, Peoples R China
[2] Univ Bristol, ACCIS, Bristol, Avon, England
[3] Harbin Inst Technol, Dept Astronaut Sci & Mech, POB 3011,2 YiKuang St, Harbin 150080, Peoples R China
来源：
JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES | 2016年 / 27卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Morphing airfoil; modeling; inflatable structure; honeycomb; Kirigami;
D O I：
10.1177/1045389X15580656
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The work describes a concept to morph the thickness of airfoils using a combination of pneumatic flexible tubes within a Kirigami honeycomb configuration that represents the wingbox structure. The configuration of the honeycomb/inflatable tube structure is composed by a pair of flexible tubes sandwiched between two custom honeycomb layouts. At zero input pressure, the tube assumes a sinusoidal shape, which is reduced to a straight configuration and increase of the airfoil thickness when pressure is applied. An analytical model is developed for design purposes to consider the actuation authority and thickness change provided by the system proposed. The results are benchmarked against experimental tests carried out on a reduced-scale demonstrator.
引用
收藏
页码：755 / 763
页数：9
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