It was decided to design for a sawtooth pattern flight profile, optimal for our applications because power efficient compared to a continuous thrust design. The required dimensions for the ailerons were derived by iterating the design with XFLR5. The surface area of the wing was iterated accounting for the required solar panel area to power the engine and the drag generated by the wing profile. Given the theoretical ‘bell shaped’ curve equation, it could evaluate the performance using the 3D panel method. The required twist angle spanwise in each section of the wing was computed by running an optimisation program written in MATLAB. The iterations were made by choosing the airfoils (varying linearly across the span), modelling the wing sweep in order for the lift distribution to be as close as possible to the theoretical ‘bell shaped’ lift distribution. The aerodynamic design was conducted using software such as XFLR5 to evaluate lift curves, stability margins, eigenmodes of the wing design. The team is currently divided in the following subteams: Innovation, contribution to the outside world.Ī flying wing, utilising the unconventional bell shape lift distribution, for applications such as autonomous surveillance of farmers’ fields or delivery of goods: Project Aurora is a prototype for the aerodynamic design, and a test bed for the development of solar powered electronics.
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