Flow visualization and force measurements on a flapping-wing MAV DelFly II in forward flight configuration
H.E. Eisma (TU Delft - Aerospace Engineering)
F. Scarano – Mentor (TU Delft - Flow Physics and Technology)
B.W. van Oudheusden – Mentor (TU Delft - Aerodynamics)
M Percin – Mentor (TU Delft - Aerodynamics)
B.D.W. Remes – Mentor (TU Delft - Control & Simulation)
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Abstract
Flapping wing flight has attracted increased interest among aerodynamics researchers recently in view of the recent expansion of design efforts in the field of Micro Aerial Vehicles (MAVs). MAVs are given specific attention because of their potential as mobile platforms capable of reconnaissance and gathering intelligence in hazardous and physically inaccessable areas. To achieve these missions, they should be manoevring with ease, staying aloft and propelling themselves efficiently. Conventional means of aerodynamic force generation are found lacking at this point and the apping-wing approach becomes an appealing or even necessary solution. In contrast to the conventional (fixed and rotary wing) force generation mechanisms, apping wing systems take benefit from the unsteady ow effects that are associated to the vortices separating from the wing leading and trailing edges, which create low pressure regions around the wings that lead to the generation of higher lift and thrust.