Experimental Investigation of Flutter Mechanisms Depending on Sweep Under Subsonic Flow and Low Reynolds Numbers

Braune, Marc; Wiggen, Stefan

doi:10.1007/978-3-319-64519-3_37

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“…Braune M,Wiggen S [6] selected the low-Reynolds number airfoil Eppler E171 as the model and conducted wind tunnel tests at the German Institute for Aerospace Aerodynamics. Under the subsonic flow conditions of 2.5D structure, the flutter characteristics of the wing model with sweep Angle below 40°and elastic axis at different positions were studied and analyzed.…”

Section: Introductionmentioning

confidence: 99%

Analysis of flutter characteristics of swept wing

Yan-ping

Wang

Huang

2022

Seventh International Conference on Electromechanical Control Technology and Transportation (ICECTT 2022)

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In this paper, the wing is used as a cantilever beam to establish a structural motion model of swept wing, and the aerodynamic model of swept wing is established by modifying Theodorsen's aerodynamic force with Bisplinghoff's aerodyne-mic force correction method. Considering the effect of the ratio of the tip to the root, the mode of the swept wing was solved. The differential equations of the swept wing system were obtained by Galerkin method. The flutter critical velocity and flutter frequency of the swept wing were solved by an example

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Section: Introductionmentioning

confidence: 99%