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Effect of Aspect Ratio on Pressure Drop and Acoustics in Diesel Particulate Filters
Technical Paper
2004-01-0695
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
With the ever increasing need for diesel exhaust particulate filters to meet the stringent emission regulations, it is imperative that a system approach be adopted in the design and optimization of these filters. A performance study is conducted to study the effect of filter parameters like aspect ratio. An extension of this study includes the effect of inlet and outlet cones on the contraction and expansion of flow at inlet and exit of the filter channels. The study covers both cordierite and silicon carbide (SiC) diesel exhaust particulate filters.
The experimental data is used to validate the pressure drop models developed previously in the literature. Also the effect of the system parameters on the acoustic performance parameter transmission loss of the particulate filters, Light-, Medium- and Heavy duty truck exhaust mufflers and integrated particulate filter/muffler is investigated. The contribution of the filter to the acoustic attenuation in an exhaust system is measured experimentally and discussed.
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Authors
Citation
Katari, A., Syed, M., Sickels, M., Wahl, T. et al., "Effect of Aspect Ratio on Pressure Drop and Acoustics in Diesel Particulate Filters," SAE Technical Paper 2004-01-0695, 2004, https://doi.org/10.4271/2004-01-0695.Also In
Diesel Emissions on CD-ROM from the SAE 2004 World Congress
Number: SP-1835CD; Published: 2004-03-08
Number: SP-1835CD; Published: 2004-03-08
References
- Heck, R.M. Farrauto, R.J. Gulati, R.J. “Catalytic Air Pollution Control - Commercial Technology” Wiley New York 2002
- Opris, C.N. Johnson, J.H. “A 2-D Computational Model Describing the Flow and Filtration Characteristics of a Ceramic Diesel Particulate Trap” SAE 980545 1998
- Konstandopoulos, A.G. Warren, J. Allansson, R. “Optimized Filter Design and Selection Criteria for Continuously Regenerating Diesel Particulate Traps” SAE 1999-01-0468 1999
- Flowmaster Reference 1996
- Tao, Z. Seybert, A.F. “A Review of Current Techniques for Measuring Muffler Transmission Loss” SAE 03-NVC-38