A model-scale hover test of a 4-bladed, 11.08-ft diameter rotor was recently completed
inside the National Full-Scale Aerodynamics Complex 80-by 120-Foot Wind Tunnel test …

A grid-pattern pressure-sensitive paint (grid PSP) system is developed and then integrated
with a stereo vision system to achieve simultaneous pressure and deformation …

In wind tunnel tests, there is a strong demand for simultaneous pressure and deformation
measurement techniques, especially for objects with complex aerodynamic shapes or with …

This study presents a stereophotogrammetry approach to achieve full‐field displacement
measurements of helicopter rotor blades. The method is demonstrated in the wind tunnel …

为实现直升机旋翼桨叶位移变形的非接触测量, 提出了基于双目立体视觉的三维测量方法.
采用编码标记方式, 在旋翼桨叶表面粘贴具有唯一编码信息的标记点, 以高频激光器提供纳秒级 …

As an important part of the helicopter, the rotor directly affects flight safety and flight quality.
Knowledge of the rotor dynamic behaviors is significant for validating and optimizing the …

View Video Presentation: https://doi. org/10.2514/6.2021-0131. vid Stereo photogrammetry
was used to measure the elastic bending and twist of a three-bladed rotor in forward flight in …

The dynamic behavior of intermeshing rotor blades is complex and subjected to rotor-rotor-
interactions like oblique blade-vortex and blade-wake interactions. To gain a better …

In this paper, we present the stereo vision based blade displacement measurements of
helicopter rotor. By using the high-frequency laser to provide nanosecond illumination, the …

The study presents the aeroelastic behavior of a double-swept rotor blade, that was
investigated under climb conditions on a four-bladed rotor in the rotor test facility at the …