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Optimised vehicle acoustics with an innovative 4WD roller test bench

: Brandstätt, Peter; Krämer, Michael; Herget, Wolfgang; Lazic, Vlado

ATZ worldwide 144 (2012), No.11, pp.44-48
ISSN: 2192-9076
Journal Article
Fraunhofer IBP ()

The acoustics in the interior and noise emitted to the outside have become essential factors in developing vehicles. Due to the energy transition and the related promotion of electric vehicles completely new tasks and challenges arise. With a new 4WD roller test bench, where both fields can be equally investigated, the Fraunhofer Institute for Building Physics (IBP) answers to these requirements and is working on a sound-absorbing wheel house or absorbers in the tyre cavity.