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Audi RS Q e-tron E2 testing - Slow Motion Video

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The aerodynamic concept in the area of the body below the hoods is completely new. This section is almost reminiscent of the shape of a boat’s hull: its widest point is at the height of the cockpit, while the body tapers significantly towards the front and rear. Audi has now dispensed with the part of the fenders that was behind the front wheels and formed the transition to the door. Internally, this structure was called the “elephant foot.” As a result, the designers saved more weight and optimized the air flow. “The aerodynamic aspect should not be underestimated in desert rallying either,” says Löffler. Admittedly, the new cockpit dimensions mean that the body has a larger and therefore less favorable cross-section. Nevertheless, it was possible to reduce the overall aerodynamic drag by around 15 percent, i.e. the product of the CD value and the frontal area (A). This does not change the top speed. It remains limited to 170 km/h in the regulations. Nevertheless, the improved air flow offers one major advantage. “It further reduces the energy requirements of the electrically powered car,” says Löffler. “We implemented the aerodynamic calculations entirely using computational fluid dynamics (CFD).” These computer simulations replace the time-consuming work in the wind tunnel and still deliver highly precise results.

Added on the 08/09/2022 07:42:30 - Copyright : Auto Moto EN

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