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Lecture-01-14-08 - MECH 668 Vehicle Noise Vibration and...

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MECH 668 Vehicle Noise, Vibration and Harshness (NVH) Source-path-receiver Model Winter 2008
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2 Source-path-receiver Model Source Path Receiver Combustion forces Gear transmission error Tire-patch excitation Air-borne Structure-borne Interior space Driver’s ear Outside pedestrian Reduce dynamic loads Reduce unsteady motion Isolate excitation source Vibration isolation Transmission loss Modal tuning Absorption Blocking mass Damping Acoustic lining Modal (acoustics) tuning
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