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- W2037393610 abstract "This paper presents the subcritical flutter characteristics of a rigid, full-scale 727 wing segment with inboard aileron and tab that was tested in a low-speed wind tunnel. The airplane lateral control system was simulated, and testing was performed with and without the internal pressure balance panel. Subcritical damping characteristics of the binary flutter mode were measured for three cases of tab mass balance and compared with analyses. In addition, oscillatory pressures in the region of the control surface and aileron hinge moments were measured for a wide range of reduced frequencies. The flutter test confirmed the stability of a lightly damped aileron and tab flutter mode that had been identified analytically using doublet-lattice unsteady aerodynamics. The aileron and tab flutter mode was observed to reach a limit cycle amplitude in the wind tunnel. Correlation of test results with analysis was found to be dependent on the scaling of the aileron and tab aerodynamic derivatives. A qualitative agreement was found with the calculated oscillatory pressures and hinge moments." @default.
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- W2037393610 date "1982-09-01" @default.
- W2037393610 modified "2023-09-27" @default.
- W2037393610 title "Flutter and Oscillatory Pressure Tests on a 727 Aileron in a Wind Tunnel" @default.
- W2037393610 cites W2333818986 @default.
- W2037393610 doi "https://doi.org/10.2514/3.61555" @default.
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