Paper Title:
Noise Reduction by Using Composite Plate
  Abstract

The plate silencer1 which consists of an expansion chamber with two side branch cavities covered by a light panel can achieve a desirable noise reduction in broadband theoretically. The concept is similar to drum silencer2. To attain optimal noise reduction, either the membrane should be of minimal weight while retaining very high tension or the panel should be kept with very high bending stiffness that is dependent on its geometry and mechanical properties. To achieve such goal, various kinds of composite system such as carbon fibers or aluminum were mounted on light core foam. A design of the composite panel which can provide a reduction in panel weight as well as enhance the bending stiffness, is introduced in this project. Predictions of the new model are to be compared with the normal foam plate in the aspects of noise reflection capability and performance of noise abatement apart from the material properties.

  Info
Periodical
Advanced Materials Research (Volumes 47-50)
Edited by
Alan K.T. Lau, J. Lu, Vijay K. Varadan, F.K. Chang, J.P. Tu and P.M. Lam
Pages
1229-1232
DOI
10.4028/www.scientific.net/AMR.47-50.1229
Citation
C.W. Chau, Y.S. Choy, K. T. Lau, Y. Liu, "Noise Reduction by Using Composite Plate", Advanced Materials Research, Vols. 47-50, pp. 1229-1232, 2008
Online since
June 2008
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Li Fang Yang, Xiao Wei He, Fan Yu Meng
Chapter 11: Mechanical Dynamics and Vibration
Abstract:Under the background of China rapid development of high-speed train, this paper aims at prediction of the aerodynamic noise of train, which...
1133
Authors: De Yu Li, Li Jian Ou
Chapter 1: Vibration Engineering
Abstract:This paper presents a passive method to control low-frequency noise in a cylindrical structure by using multi-modal T-shaped acoustic...
203
Authors: Lian Ke Xie, Chuan Min Chen, Yang Gao, Song Tao Liu, Li Xing Jiang
Chapter 10: Sound, Noise and Vibration Control
Abstract:The mechanism and characteristics of substation transformer noise are introduced in this paper. Based on the recent measured noise data of...
2530