Integrated flutter test of a horizontal-tail model in the large-scale continuous transonic wind tunnel

Abstract Wind tunnel test is a critical way to investigate flutter characteristics of aircraft, particularly in identifying the transonic dip phenomenon aeroelastic design. The continuous wind has advantages over blow-down long running time, wide bandwidth dynamic pressure, and stable flow field. Thus, more suitable for tests. Flutter techniques are studied FL-62 tunnel, first large-scale China. A protection system real-time signal processing developed ensure safety efficiency. boundaries horizontal-tail model investigated Mach number regime between 0.65 0.98. In test, structural vibrations measured via strain gauges, deformations pressure distributions non-contact optical techniques, predicted modal identification method.