Toward indoor pass by noise to improve development process from experimental to virtual testing English Free

The imminent application of updated worldwide regulation on pass-by noise gave new life to the engineering analysis. Future stringent level reduction already started to motivate innovation to offer manufacturers more complete and precise tools for new developments. As long as pass-by noise methods are designed for outdoor, it is a difficult task to deal with reproducibility. To permit controlled and repeatable measurements independent of weather, indoor pass-by noise testing proposes to test exterior noise from a vehicle on roller bench in hemi-anechoic room instead of track. For engineering purposes, indoor pass-by noise became leading applications to improve effectiveness of solutions. In addition to fulfill stringent legal requirements, indoor offers high expectations to improve development process from experimental to virtual testing. A test campaign was carried out to analyze indoor methods, correlation with outdoor and influence of major factors.

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