Plastic parts have been proliferating the underhood environment for mass and cost savings. Noise control can become an issue with these parts. A noise cover can solve these problems. Data in this paper demonstrate the acoustical absorption capabilities of a nylon 6 / foam composite cover. Using these data, it becomes possible to predict the amount of attenuation using various thickness' of open-cell foam and nylon 6. The three most important factors to use when designing a new cover are acoustical absorption, transmission loss, and percentage of acoustical leakage around the cover or barrier.
Composite Covers for Noise Attenuation
Sae Technical Papers
International Congress & Exposition ; 1997
24.02.1997
Aufsatz (Konferenz)
Englisch
Transmissions , Composite materials , Design processes , Parts , Foams , Plastics , Acoustics , Noise
Composite Covers for Noise Attenuation
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