18.6 Shake-the-box Measurement of a Quadcopter in Forward Flight

Shake-the-box Measurement of a Quadcopter in Forward Flight

Quadcopter flying through the measurement volume, as seen by the central STB camera

Instantaneous vortical structures (Q-criterion), hover out of ground effect (oblique top-down view)

Instantaneous vortical structures (Q-criterion), hover out of ground effect (side view)

Time-averaged wake velocity, hover out of ground effect

Time-averaged wake velocity, hover in ground effect at h/R=3.2

Time-averaged recirculation region below the fuselage, hover in ground effect at h/R=3.2

Time-averaged wake velocity, forward flight out of ground effect

Instantaneous vortical structures (Q-criterion), forward flight in ground effect (oblique top-down view)

Instantaneous vortical structures (Q-criterion), forward flight in ground effect (side view)

Instantaneous vortical structures (Q-criterion), forward flight in ground effect (top-down view)

References

Schanz D, Schröder A, Bosbach J, Strübing T, Wolf CC, Schwarz C & Heintz A (2024) Scanning Lagrangian Particle Tracking To Measure 3D Large Scale Aerodynamics Of Quadcopter Flight. Proc. 21st International Symposium on the Application of Laser and Imaging Techniques to Fluid Mechanics, Lisbon, Portugal
https://doi.org/10.55037/lxlaser.21st.215

Wolf CC, Schanz D, Schwarz C, Heintz A, Bosbach J, Strübing T, Schröder A (2024) Volumetric wake investigation of a free-flying quadcopter using Shake-The-Box Lagrangian particle tracking. Exp Fluids 65, 152 (2024). https://doi.org/10.1007/s00348-024-03880-3