Browse Publications Technical Papers 2001-01-1490
2001-04-30

A Method and Apparatus for Generating Full Vehicle Roof System Rain Noise for the Purpose of Development, Benchmarking and Interior Noise Performance Measurement 2001-01-1490

The direct excitation of a vehicle roof system by a repeatable method and the corresponding interior sound pressure level generated by that excitation can be a key characteristic of the total interior acoustic signature of a vehicle. After nine years of work and five design iterations, a test method and apparatus has been developed that exposes a vehicle to a repeatable and measurable artificial rain excitation. The test apparatus, method and performance data are reviewed. Performance data is shown for several different vehicles and roof systems.

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