Door mirrors have a major impact on wind noise observed at the driver's ear. The mirror distance and angle with respect to the front side glass will influence the front window buffeting characteristics of the vehicle as well. Optimizing the mirror angle to minimize or eliminate buffeting while maintaining acceptable wind noise performance can provide additional customer satisfaction. Changes to the mirror angle were investigated experimentally for both wind noise and buffeting effects. Experimental vehicle interior noise and buffeting data was taken at multiple yaw angles and wind speeds using a full scale aero acoustic wind tunnel. In addition, experimental wind noise attributes for the different mirror angles was also used to determine the optimal angle. The resulting angle measurement will be used as a best practice mirror angle for optimal wind noise and front window buffeting performance on future vehicle programs.
Optimization of Mirror Angle for Front Window Buffeting and Wind Noise Using Experimental Methods
Sae Technical Papers
SAE 2007 Noise and Vibration Conference and Exhibition ; 2007
15.05.2007
Aufsatz (Konferenz)
Englisch
Optimization of Mirror Angle for Front Window Buffeting and Wind Noise Using Experimental Methods
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