As part of this thesis, we wanted to design an automotive rear spoiler for a specific vehicle, with an emphasis on performance. We analysed the shape of the vehicle's existing spoilerboth computationally and experimentally, and based on the findings, determined a more efficient design. The new design was 3D printed on a smaller scale, after which we analyzed its functionality in a wind tunnel. We also carried out simulations through computational fluid dynamics. We compared our product to the aforementioned existing spoiler as well as an aftermarket free-standing wing. A full-size prototype, suitable for practical use was made, based on the results of testing.
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