一种基于光固化快速成型的飞机静弹性风洞试验模型设计方法

doi:10.7527/S1000-6893.2013.0415

Abstract

Abstract:

The design and fabrication of a static aeroelastic wind tunnel model play a key role in static aeroelastic wind tunnel test. In order to shorten the long design cycle and reduce high manufacturing cost on the wind tunnel model development, a method of design and fabrication for developing static aeroelastic aircraft models with a high-aspect-ratio wing based on stereolithgraphy is proposed for high speed wind tunnels. In view of the similar stiffness distribution parameters of the wing, the design of a static aeroelastic model which combines a beam frame with outer resin covers is conducted by optimizing the cross-section sizes of the structure components, and the fabrication is performed with machining and rapid prototyping technology, while the stiffness distribution of the wing is validated with ground stiffness testing. Wind tunnel testing tshows that the method of design and fabrication of the static aeroelastic model based on stereolithgraphy is practical and feasible, and it is valuable because of its shorter period of work, lower costs and the benefit of avoiding additional stiffness due to packing as compared with traditional static aeroelastic models.

Key words: static aeroelastic model, wind tunnel test, stereolithgraphy, stiffness distribution, model design

CLC Number:

WANG Chao, ZHANG Zhengyu, YIN Guofu, SUN Yan, ZHU Weijun. A Design Method of the Static Aeroelastic Aircraft Model Based on Stereolithgraphy for Wind Tunnel Test[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2014, 35(5): 1193-1199.

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A Design Method of the Static Aeroelastic Aircraft Model Based on Stereolithgraphy for Wind Tunnel Test

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