[PDF] Top 20 The influence of wing–wake interactions on the production of aerodynamic forces in flapping flight

... the forces created by an impulsively started flat-plate in two ...The forces in their simulated flows, calculated according to equation·1, accurately predicted those measured in a prior experimental study ... See full document

... Flapping flight is employed by most flying insects, birds and ...of flapping wings, and recently, the aerodynamics of small insects is gaining more attention because of the possible applications in ... See full document

... in aerodynamic performance may, therefore, provide insight into the evolutionary acquisition of avian ...drag-based flapping behaviors, driven by wings with relatively symmetrical and structurally diffuse ... See full document

... the forces acting on a flapping wing, an experimental investigation is performed in steady water ...forward flight of small ...near wake of the airfoil. In this study, according to the ... See full document

... in flapping wing motion of a ‘hovering’ robotic fruit fly wing has revealed an unknown complexity of flight force modifications throughout the entire ...of wing motion attenuates total ... See full document

... of wing rotation on aerodynamic force generation under conditions that are appropriate for analysis of insect ...translational wing velocity, we vary both the angular velocity and the axis of ... See full document

... accommodate wing force resolution, not one of the methods reviewed above is capable of detailing ...detailed wake or detailed force resolution, the lifting-line method has no detailed wake ... See full document

... instantaneous forces on tethered insects (Cloupeau et ...However, forces and stroke kinematics measured on tethered insects may not accurately represent those generated in free ...tethered flight ... See full document

... dynamic wing shape, an integrative model of insect flight that incorporates passive wing flexibility may be easier to develop than previously ...of aerodynamic and inertial-elastic ... See full document

... the wing base to the wing ...vortex wake showed that the LEV could produce enough lift for the weight ...hawkmoth wing traveled approximately three chord lengths each half-stroke, whereas for ... See full document

... Thieser (1992) measured no difference in parasite drag between honeybees with their legs set in a ‘good’ flight posture tucked up under the body and honeybees with their legs removed. Flying dragonflies typically ... See full document

... the aerodynamic forces is not very ...the flapping wing of the insects is very high (approximately 50deg) (Walker et ...thin wing moves at a small angle of attack, the flow is mainly ... See full document

... conventional aerodynamic theory, which was based on fixed-wing aircraft and steady-state flow conditions, cannot explain the generation of large lift by the wings of small insects (for reviews, see ... See full document

... The aerodynamic interactions between the rotor and the fuselage of a helicopter can have a significant influence on both the steady and the vibratory loads experienced by both components of the ... See full document

... of wing morphology that are likely to affect performance are planform wing shape and wing ...of flapping, contribute to crucial details of the flow and, thus, to the magnitude of instantaneous ... See full document

... Wing-wake interactions remain a fundamental and inherently complex subject with applica- tions ranging from energy harvesting, to formation flight, to bioinspired ...that ... See full document

... the flapping wings, four different attack angles, 0, 10, 20 and 30 degrees, were ...the wing to the driving unit with a specific ...the flapping motion can be derived by subtracting the measured load ... See full document

... that metaphors provide conceptual mappings between more concrete, embodied, and common “source concepts”, and more abstract, disembodied, and less perceptual “target concepts” ( Landau, Meier, & Keefer, 2010; Meier, ... See full document

... of wing rotation relative to stroke reversal (Sun and Tang, 2002), and the general features of the lift curve are similar to the corresponding physical wing experiments (Dickinson et ... See full document

... commitment and productivity [12]. Palestinian Universities are considered young; however they have an influence on all parts of the Palestinian life, wellbeing and cause. Today, Palestinian universities as other ... See full document