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Investigation of Multi-Degree of Freedom Damped Dynamic Absorber Applied to Wheel Noise Control

[+] Author Affiliations
Zhaobo Chen, Fengchen Tu, Mingzhang Li, Yinghou Jiao

Harbin Institute of Technology

Hua Li

Harbin Instute of Technology

Paper No. IMECE2006-14153, pp. 67-73; 7 pages
doi:10.1115/IMECE2006-14153
From:
  • ASME 2006 International Mechanical Engineering Congress and Exposition
  • Rail Transportation
  • Chicago, Illinois, USA, November 5 – 10, 2006
  • Conference Sponsors: Rail Transportation Division
  • ISBN: 0-7918-4778-0 | eISBN: 0-7918-3790-4
  • Copyright © 2006 by ASME

abstract

In order to reduce wheel-radiated wideband noise, a new solution that equipped the wheels with multi-degree of freedom (DOF) damped dynamic absorber (DDA) is proposed. The dynamic model of the wheel with absorbers was established. By numerical analysis, the primary structural parameters of the absorber influencing the noise control effect are obtained and optimized. The radiated noise is measured before and after the absorber installed in the laboratory and in the field. The test results show that the wheel-radiated noise could be substantially reduced, especially above 2000Hz. The test results agree well with the theoretical analysis. The parametric analysis provides reference value for the design of multi-DOF DDA

Copyright © 2006 by ASME
Topics: Noise control , Wheels

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