A very sensitive giant The aeroacoustic wind tunnel in Sindelfingen


90 meter long and 47 meter wide. The aeroacoustics wind tunnel in the development center in Sindelfingen is a real giant. Its power is gigantic too: The blower can generate wind speeds as high as 265 km/h. Nonetheless, it’s very sensitive and also measures the smallest turbulences. That’s because it’s equipped with a wind tunnel balance that engineers can use to measure the wind power on a vehicle. The accuracy is so precise that it is possible to show the influence of tire marking in aerodynamics. In addition, it’s the quietest automobile wind tunnel in the world. In search of potential sound sources more than 500 microphones are involved. With this wind tunnel, Daimler can continue to masterfully optimize the aerodynamics and acoustics of its vehicles in the future.

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