Design method for fixed-wing air survey type unmanned aerial vehicle
A design method, wing aerial survey type technology, applied in the directions of calculation, aircraft parts, instruments, etc., can solve the problems of unmanned aerial vehicle not meeting the specification requirements, excessive rotation angle, complex control technology, etc.
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[0089] The present invention will be further described below in conjunction with drawings and embodiments.
[0090] The invention provides a design method for a fixed-wing aerial survey type unmanned aerial vehicle, specifically comprising the following steps:
[0091] (1) Design wing parameters;
[0092] (1a) the wing adopts an S-type airfoil;
[0093] The Reynolds coefficient is the ratio of the product of air density, airflow velocity, and wing chord length to the air viscosity coefficient. The Reynolds coefficient is an important factor in judging the flight state of the wing. The larger the Reynolds coefficient, the earlier the boundary layer flowing through the wing surface Transition from laminar edge layer to turbulent boundary layer, and turbulent boundary layer is not easy to separate from the wing surface, so it is less prone to stall. A stall is a state in which the lift provided by the wings is less than the total drag of the aircraft, causing the aircraft to fa...
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