The invention provides a solar-powered airplane airfoil profile design method and a solar-powered airplane airfoil profile, wherein the method includes the steps: first airfoil profile parameters of an airfoil reference model are acquired, wherein the first airfoil profile parameters include a first airfoil profile maximum relative thickness, a relative position of the first airfoil profile maximum relative thickness, a first airfoil profile maximum relative camber, a relative position of the first airfoil profile maximum relative camber, and a first airfoil profile head radius; constraint conditions of an airfoil profile design are determined according to design demand parameters, wherein the design demand parameters include the flight speed, the elevating force coefficient and the Reynolds number, and the constraint conditions include a maximum relative thickness threshold, and an airfoil profile thickness threshold having the distance in the range of 20%-60% of the chord length away from an airfoil profile front edge; according to the first airfoil profile parameters of the airfoil reference model and the constraint conditions of the airfoil profile design and with use of a genetic algorithm and/or numerical simulation, second airfoil profile parameters meeting the design demand parameters and in the range of all the thresholds of the constraint conditions are determined, and the solar-powered airplane airfoil profile is determined according to the second airfoil profile parameters.
Solar-powered airplane airfoil profile design method and solar-powered airplane airfoil profile
2015-12-09
Patent
Electronic Resource
English
IPC: | B64C AEROPLANES , Flugzeuge |