TY - JOUR
T1 - Sub-chamber optimization for silencer design
AU - Yu, Xiang
AU - Tong, Yuhui
AU - Pan, Jie
AU - Cheng, Li
N1 - Funding Information:
The authors wish to acknowledge the support from the Research Grants Council of the Hong Kong Special Administrative Region, China ( PolyU 5103/13E and 152026/14E ) and the Australian Research Council, Australia. The first author is grateful to the Research Office of HK PolyU for providing financial support for his exchange program at UWA. The second author would like to thank the Chinese Scholarship Council for its financial support.
Publisher Copyright:
© 2015 Elsevier Ltd. All rights reserved.
PY - 2015/9/1
Y1 - 2015/9/1
N2 - This study proposes sub-chamber optimization for the design of a silencer. A theoretical basis is presented for a description of the overall transmission loss (TL) of the silencer, using the TLs of each of the cascade-connected multiple sub-chambers and the interactions between them. Three typical sub-chamber configurations are considered, representing the effects of varying geometrical parameters, adding internal partitions, and introducing perforated liners. The characteristics of the sub-chambers, influences of the parameters, and the limits of design are investigated to provide guidelines for optimization. It is demonstrated that, by connecting sub-chambers with optimized TLs to tackle different frequency regions, a desired broadband attenuation performance can be achieved. The proposed design scheme with sub-chamber optimization greatly reduces the design variables and calculation costs compared with global optimization, thus offering wider scope in silencer design.
AB - This study proposes sub-chamber optimization for the design of a silencer. A theoretical basis is presented for a description of the overall transmission loss (TL) of the silencer, using the TLs of each of the cascade-connected multiple sub-chambers and the interactions between them. Three typical sub-chamber configurations are considered, representing the effects of varying geometrical parameters, adding internal partitions, and introducing perforated liners. The characteristics of the sub-chambers, influences of the parameters, and the limits of design are investigated to provide guidelines for optimization. It is demonstrated that, by connecting sub-chambers with optimized TLs to tackle different frequency regions, a desired broadband attenuation performance can be achieved. The proposed design scheme with sub-chamber optimization greatly reduces the design variables and calculation costs compared with global optimization, thus offering wider scope in silencer design.
UR - http://www.scopus.com/inward/record.url?scp=84930415988&partnerID=8YFLogxK
U2 - 10.1016/j.jsv.2015.04.022
DO - 10.1016/j.jsv.2015.04.022
M3 - Journal article
AN - SCOPUS:84930415988
SN - 0022-460X
VL - 351
SP - 57
EP - 67
JO - Journal of Sound and Vibration
JF - Journal of Sound and Vibration
ER -