Support device for increasing the scale of transonic wind tunnel test model of high aspect ratio wing

By designing a support device including support blades, angle variable blocks and angle of attack adjustment pins, the size problem of the difficulty in increasing the cross-sonic wind tunnel test model of the large aspect ratio elastic wing in the prior art is solved, and the accuracy and safety of the test data are improved in the existing wind tunnel.

CN119533849BActive Publication Date: 2025-04-01INST OF HIGH SPEED AERODYNAMICS OF CHINA AERODYNAMICS RES & DEV CENT
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Patent Information

Application Number
CN202510081996.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2025-04-01
Estimated Expiration
2045-01-20

AI Technical Summary

Technical Problem

The prior art is difficult to increase the size of the large aspect ratio wing transonic speed wind tunnel test model in existing wind tunnels, resulting in limited accuracy and safety of test data.

Method used

A support device including two support blades, angle variable blocks, connecting blocks and angle-attack adjustment pins is designed. Through the cooperation of the Λ-shaped support blades and angle-attack blocks, the test model is fixed and angle-attack adjustment is achieved, which increases the size of the model and the accuracy of the test data.

Benefits of technology

The size of the large aspect ratio wind tunnel test model has been effectively increased in the existing wind tunnel, improving the accuracy of the test data and engineering practical value.

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Abstract

The present invention belongs to the field of aerospace wind tunnel tests, and discloses a support device for increasing the scale of a transonic wind tunnel test model of a large aspect ratio wing. The support device has two support blades, a variable angle block, a connecting block, and an angle of attack adjustment pin. The support device for increasing the scale of a transonic wind tunnel test model of a large aspect ratio wing of the present invention fixes the large aspect ratio wind tunnel test model through a connecting block and a Λ-shaped support device, and can increase the size of the large aspect ratio wind tunnel test model in an existing wind tunnel; the angle of attack adjustment pin hole provided on the variable angle block can realize the variable angle of attack of the large aspect ratio wind tunnel test model. The support device for increasing the scale of a transonic wind tunnel test model of a large aspect ratio wing of the present invention improves the accuracy of test data of large aspect ratio wind tunnel tests, and has engineering practical value.
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