Development of a Lightweight Soundproof Cover Using the Biot Theory (Vibration Propagation in Elastic Porous Materials), and an Example Application to a Transmission

Paper #:
  • 2016-01-0517

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-0517
Citation:
Kimura, K., Habuchi, R., Kono, T., Mori, T. et al., "Development of a Lightweight Soundproof Cover Using the Biot Theory (Vibration Propagation in Elastic Porous Materials), and an Example Application to a Transmission," SAE Technical Paper 2016-01-0517, 2016, doi:10.4271/2016-01-0517.
Pages:
5
Abstract:
To reduce cabin noise and vehicle weight (for lower fuel consumption), a lightweight soundproofing cover was developed as a countermeasure to sources of noise, using the Biot theory (vibration propagation theory in poroelastic materials). This report also presents the results of its application to a metal belt-type continuously variable transmission (CVT) used in Toyota Motor Corporation’s 2.0L vehicles.
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