A three-dimensional high-order unstructured dynamic grid based spectral difference (SD) Navier-Stokes (N-S) compressible flow solver with low Mach number preconditioning is used to investigate the effects of wing planforms on the aerodynamics performance of the thin finite-span flapping wings in this paper. Two types of wings, namely the rectangular and bio-inspired wings, are simulated and com...

We report on the design, construction, and testing of a high-speed rotor intended for use in hypervelocity microparticle impact studies. The is based four-wing design to provide rotational stability includes flat “paddle” surfaces ∼0.5 cm2 at tips each wing. profile wing minimizes variation tensile forces any given speed. was machined using titanium (grade 5) operated high vacuum magnetically l...

In Drosophila, wing hairs are aligned in a distally oriented, parallel array. The frizzled pathway determines proximal-distal cell polarity in the wing; however, in frizzled pathway mutants, wing hairs remain parallel. How wing hairs align has not been determined. We have demonstrated a novel role for the septate junction proteins Gliotactin (Gli) and Coracle (Cora) in this process. Prior to pr...

In autumn, maple trees disperse their seeds by employing autorotation under windy conditions. Maple seeds equipped with a small wing begin to autorotate within 1 m after they are detached from trees, and the autorotating motion generates the lift force that slows down its descent [1,2]. From measurements using digital particle image velocimetry (DPIV), it was elucidated that a stable leading-ed...

OBJECTIVES In this report, we present the usage of a "modified flying wing" procedure for different indications such as correction of primary supratip depression and saddle nose deformity due to prior septal surgery or prior trauma, and also for prevention of possible supratip deformity. PATIENTS AND METHODS Between April 2004 and January 2008, the "modified flying wing" procedure was used in...

In this paper, the effect of distributed electric propulsion on aeroelastic stability an aircraft wing was investigated. All propulsors, which are different properties, attached to in positions. The structural dynamics modelled by using geometrically exact beam equations, while aerodynamic loads were simulated unsteady theory. propulsors a concentrated mass wing, and motor’s thrust angular mome...

Based on the bionic design of humpback whale fin, a passive flow control method is proposed to obtain greater flapping lift by applying wavy leading edge structure straight symmetrical wing. The conventional wing replaced shape represented regular trigonometric function form special configuration imitating fin. dynamic aerodynamic performance and field characteristics with different parameters ...