Sophistication of Noise Measurement Regulations for Powered Vehicles in the EU

Paper #:
  • 972015

Published:
  • 1997-05-20
Citation:
Steven, H., "Sophistication of Noise Measurement Regulations for Powered Vehicles in the EU," SAE Technical Paper 972015, 1997, https://doi.org/10.4271/972015.
Author(s):
Pages:
16
Abstract:
The acceleration process on which the noise measuring method for the homologation test is based yields extremely high acceleration values associated with enhanced tyre-road noise contributions, which are not mirrored under real driving conditions. Measures taken by tyre manufacturers to reduce tyre-road noise in these atypical operating modes do not necessarily lead to a reduction of tyre-road noise in real traffic.The German Federal Environmental Agency (UBA) has commissioned extensive studies of driving behaviour in cars and commercial vehicles under real traffic conditions in order to evolve a concept for an improved noise measuring method, whose guiding principles and structure are presented
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