This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
An Investigation on Acoustic Model and Test of Diesel Particulate Filter
Technical Paper
2008-01-1757
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Language:
English
Abstract
A simplified method of the three-dimensional acoustical model of diesel particulate filter (DPF) is discussed, and the simplified model is employed in Sysnoise to analyse acoustical characteristic of DPF at the operating condition, then the transfer matrix of DPF is obtained. Considering the viscosity effect, the transfer matrix is modified. Using the transfer matrix method the insertion loss at operating engine condition is calculated. In an half anechoic laboratory the engine test-bed is established and the insertion loss of DPF is measured in the operating condition. The comparison between experimental and calculating results demonstrates the correctness of the acoustical model. At last, the influence of the fluid viscosity on sound attenuation is discussed.
Recommended Content
Authors
Citation
Liming, F., Wenzhi, G., and Wenbo, N., "An Investigation on Acoustic Model and Test of Diesel Particulate Filter," SAE Technical Paper 2008-01-1757, 2008, https://doi.org/10.4271/2008-01-1757.Also In
References
- Glav, R. Boden, H. Abom, M. An acoustic model for automobile catalytic converters Proceedings Inter-Noise 1988 1261 1266
- Morse, P. M. Ingard, K. U. Theoretical Acoustics New York: McGraw-Hill 1968
- Ingard, U. Singhal, V. K. Sound attenuation in turbulent pipe flow Journal of the Acoustical Society of America 1974 55 535 538
- Dokumaci, E. Sound transmission in narrow pipes with superimposed uniform mean flow and acoustic modeling of automobile catalytic converters Journal of Sound and Vibration 1995 182 5 799 808
- Allam, S. Abom, M. On Acoustic Modeling and Testing of Diesel Particulate Filters The 2002 International Congress and Exposition on Noise Control Engineering Dearborn, MI, USA 19-21 August 2002
- Allam, S. Abom, M. On Transmission of Sound in Diesel Particulate Filters(DPF:s) Tenth International Congress on Sound and Vibration Stockholm Sweden 7-10 July 2003 3187 3194
- Allam, S. Abom, M. Sound propagation in an array of narrow porous channels with application to diesel particulate filters Journal of Sound and Vibration 2006 291 4 882 901
- Gao, W. Feng, L. Liu, J. Study on Pressure Drop and Acoustic Propagation Characteristics of Diesel Particulate Filter Transactions of CSICE 2006 24 1 92 95
- Kong, X. Advanced mechanics of fluids in porous media China Science and Technology University publishing company china 1999
- Du, G. Zhu, Z. Gong, X. Fundamental Acoustics Shanghai Science and Technology Publishing Company Shanghai 1981
- Ma, D. Acoustic modern theoretical foundation, science publishing company china 2004