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Aconfiguration of buoyancy-lifting vehicleflying in near-space by combinationthe configuration characteristics of high-altitude airships and solar UAV aerodynamic were proposed .Through the numerical simulation method, the aerodynamic configurations for solar powered buoyancy-lifting vehicle in near-space were investigated. High lift over drag ratio aerodynamic configuration was obtained by optimization...
On the basis of the studies on the high unsteady aerodynamic mechanisms of the fruit fly hovering the aerodynamic advantages and disadvantages of the fruit fly flapping motion were analyzed. A new bionic flapping motion was proposed to weaken the disadvantages and maintain the advantages, it may be used in the designing and manufacturing of the micro air vehicles (MAV’s). The translation of the new...
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