AirShaper: Testing the Taycan's Aerodynamics on the road

Part two of the Porsche Taycan aerodynamics test with AirShaper

You might recall last week where, for a brief moment, I stopped talking about my usual preference of Formula 1 cars going around in circles and wrote instead about the aerodynamics of a Porsche Taycan. That was thanks to the CEO of AirShaper, Wouter Remmerie and his fantastic video explaining all the brilliant little features of the Porsche.

If you didn't catch the article last week, be sure to have a look here:

Perhaps you remember in the video in my first article, how Wouter explained the process of applying tufts to the body of the Taycan before it is tested on the road. That is because, as part of AirShaper's online platform that simulates the airflow over its subject, the Taycan was chosen as the testbed to compare how real-life aerodynamics on a subject to its simulated counterpart.

The video shows both the road test of the Taycan and the simulated example from AirShaper, as Wouter returns to bring us all through it, again in his fantastic way of explaining every detail as it happens. A brilliant way to help people such as myself, who wouldn't know so much about aerodynamics, easily understand the test and how it compares to the simulation.

Firstly, Wouter starts at the rear of the car, by pointing out where the disruption of airflow occurs as the air gets towards the back of the Porsche. At first, the tufts look to be just randomly flapping in various directions, but soon a pattern can easily be seen, and by looking at the simulated data of Airflow on the Taycan, it can be seen where the disruption of the flow breaks away just by following the pattern of the tufts.

AirShaper applied these tufts across various parts of the Taycan and shows how they are a brilliant (and affordable!) indicator of airflow on more important structures of the car, such as the A-pillar and how the air briefly swirls as it moves across the windscreen and around the A-pillar, before levelling out as the air pushes across the side of the car.

However, AirShaper picked up on some interesting features of the Taycan. Simulations showed a local drag source caused by air entering & exiting the cavity around the headlights, which are slightly set back into the bodywork. Also, there is an air curtain on the side of the front bumper, which allows air to pass through and into the wheel arch to help reduce “flow drama” around the wheels.

Unfortunately, one of the harder things to test on a road car is underneath it, but as Wouter shows using the Simulated data from AirShaper, it was a rather easy process in the case of the Taycan. These showed a very smooth underflow thanks to the Porsche Taycan being an EV, leading to a flat underside of the car, as explained in the last video. The only disruption in airflow was caused by a number of holes on the underside of the car, which was to accommodate the bolts which held the floor of the car together.

Once again, it was an excellent video to follow and something that was very interesting to learn about in less than ten minutes. Thanks again to Wouter and AirShaper and make sure you keep up to date with the company on their social media platforms!

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