Proceedings of the Korean Society for Noise and Vibration Engineering Conference (한국소음진동공학회:학술대회논문집)
- 2001.11b
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- Pages.1150-1155
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- 2001
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- 1598-2548(pISSN)
Spray Deadener Application for Reduction of Vehicle NVH
스프레이 제진재에 의한 승용차 소음진동 저감
Abstract
Vehicle Manufacturers use asphalt deadener sheets for their passenger cars to reduce noise and vibration from engine and road surface. Since their shapes are limited to a few variations, it is very difficult to reduce unnecessary weight by changing the shape of the deadeners. There is also damping performance limit in the asphalt sheets. Therefore, a high damping material should be implemented into the vehicle noise and vibration reduction activities to overcome the disadvantage of asphalt sheets. In this study, measurement of the damping loss factor and sound transmission loss were made to compare the properties and vehicle test and analysis was followed to evaluate the NVH performance of each deadener type in the vehicle.
Keywords