Tire/road noise

Tire/road noise is one of the main components of the exterior noise of motor vehicles. Since the 1970s, this has become more and more important, because it was possible to drastically reduce powertrain noises during this period.

 

Tire/road noise has an impact both outwardly and inwardly. The external noise contribution can be determined relatively easily on test tracks. In addition, a noise measuring trailer can be used. To determine the contribution of internal noise, special measuring equipment is necessary, such as that operated at FKFS. 

 

The excitation mechanisms on the tire can also be calculated with structural-acoustic simulation methods

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