1994-11-01

Interior Noise Reduction of a Mini-Bus Using Panel Contribution Analysis 942240

Numerical and experimental methods are applied effectively to reduce the interior noise of a mini-bus. In the frequency range where the booming noise occurs, acoustic forced response analysis is carried out, where experimentally measured vibrations of the floor by excitation test are used as boundary conditions. Through this analysis, the panels having positive effects to the interior noise are identified and confirmed through vehicle test. Then the coupling between the floor panels and the interior acoustic field is considered and the coupled acoustic field is analyzed by Boundary Element Method(BEM). As the result, the interior noise level of the bus is reduced effectively by structural modifications of the panels.

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Access SAE MOBILUS »

Members save up to 18% off list price.
Login to see discount.
Special Offer: Download multiple Technical Papers each year? TechSelect is a cost-effective subscription option to select and download 12-100 full-text Technical Papers per year. Find more information here.
We also recommend:
TECHNICAL PAPER

The Application of the Simulation Techniques to Predict and Reduce the Interior Noise in Bus Development

2012-01-0219

View Details

TECHNICAL PAPER

A Study of Vehicle Interior Noise Using Statistical Energy Analysis

850960

View Details

TECHNICAL PAPER

A Research on the Sound Quality Contribution of Vehicle Body Panel

2014-01-0896

View Details

X