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Possible Effect of Vehicle Aerodynamic Noise on SAE J57a Passby Noise Measurements
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Sector:
Event:
Highway Tire Noise Symposium
Language:
English
Abstract
The aerodynamic contributions to motor vehicle noise have been investigated recently at the GM Research Labs. Vehicles have been coasted into the wind and with the wind while maintaining constant vehicle ground speed. The results of successive tests conclude that vehicle aerodynamic noise cannot be ignored in tire noise testing.