A time-domain finite volume method for the prediction of water muffler transmission loss considering elastic walls-Reference-Cited by-同舟云学术

A time-domain finite volume method for the prediction of water muffler transmission loss considering elastic walls

Published:2017-02 Issue:2 Volume:9 Page:168781401769006
ISSN:1687-8140
Container-title:Advances in Mechanical Engineering
language:en
Short-container-title:Advances in Mechanical Engineering

Author:

Xuan Ling-Kuan¹,Liu Yan¹,Gong Jing-Feng²,Ming Ping-Jian³,Ruan Zhu-Qing¹

Affiliation:

1. National Key Laboratory on Ship Vibration and Noise, China Ship Development and Design Center, Wuhan, P.R. China

2. School of Automobile and Traffic Engineering, Wuhan University of Science and Technology, Wuhan, P.R. China

3. College of Power and Energy Engineering, Harbin Engineering University, Harbin, P.R. China

Abstract

This work extends the application of the finite volume method to predict the acoustic performance of the water muffler with the consideration of elastic walls. The three-dimensional time-domain finite volume method and the improved time-domain impulse method are employed to predict the acoustic attenuation characteristics of mufflers. The present results agree well with analytical solutions and numerical results obtained by finite element method with commercial codes. The effects of different thicknesses of elastic end cavity wall, elastic tube, and cavity walls on acoustic characteristics of a water-filled Helmholtz resonator are investigated. An attempt to simplify the present method with the effective sound speed has been implemented and discussed.

Publisher

SAGE Publications

Subject

Mechanical Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1177/1687814017690068

Reference23 articles.

1. EXPERIMENTAL CHARACTERIZATION OF CENTRIFUGAL PUMPS AS AN ACOUSTIC SOURCE AT THE BLADE-PASSING FREQUENCY

2. Acoustic performance of a water muffler

3. ACOUSTIC ATTENUATION PERFORMANCE OF CIRCULAR EXPANSION CHAMBERS WITH EXTENDED INLET/OUTLET

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