Noise Attenuation for Polyamide Intake Manifold

Paper #:
  • 950232

Published:
  • 1995-02-01
Citation:
Kraft, W., Sattler, E., and Abboud, I., "Noise Attenuation for Polyamide Intake Manifold," SAE Technical Paper 950232, 1995, https://doi.org/10.4271/950232.
Affiliated:
Pages:
14
Abstract:
Noise Attenuation for Polyamide Intake ManifoldsSince the stiffness of polyamide is lower than aluminum, special techniques have been developed to increase local and global stiffnesses of polyamide intake manifolds. The increased stiffness results in parts with noise emissions equal to or less than equivalent aluminum intake manifolds with twice the wall thickness. These special techniques enable engineers not only to attenuate noise, but to “tune” the remaining noise emissions for a desirable sound quality.
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