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Automotive engineering is a very competitive field and find new ways of
innovation is difficult. Use an existing element for a new use, far from his normal use
can give more chances for this innovation. With a new design, it is possible to take
profit of the existing rotating movement of the wheels, and make them work as
turbomachines. The objective of this new use is to reduce the air pressure beneath the
car, increasing then the downforce. This extra downforce achieved with the new
design can be very interesting for sports car, as they need high downforces to enhance
stability at high velocities.
The rim will be performed as a centrifugal fan extracting air from under the
car and blowing it out. The new design of the rim will make necessary to think about
little changes around the wheel area, as brake placement, fixing system, etc.
The theoretical results have to be verified by lab experimentation with the
physical model made, and from that experiments, some modifications can be
introduced to the model. Future works as the experimentation, modification and test
with real conditions remain open. Also, new uses can be studied to this design as for
example brake cooling or drag reducing.
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