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Visualization of the Gas Flow Field within a Diesel Particulate Filter Using Magnetic Resonance Imaging
Technical Paper
2015-01-2009
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In recent years magnetic resonance imaging (MRI) has been shown to be an attractive method for fluid flow visualization. In this work, we show how MRI velocimetry techniques can be used to non-invasively investigate and visualize the hydrodynamics of exhaust gas in a diesel particulate filter (DPF), both when clean and after loading with diesel engine exhaust particulate matter. The measurements have been used to directly measure the gas flow in the inlet and outlet channels of the DPF, both axial profiles along the length and profiles across the channel diameter. Further, from this information we show that it is possible to indirectly ascertain the superficial wall-flow gas velocity and the soot loading profiles along the filter channel length.
Authors
- Andrew P. E. York - Johnson Matthey Technology Centre
- Timothy C. Watling - Johnson Matthey Technology Centre
- Nicholas P. Ramskill - University of Cambridge
- Lynn F. Gladden - University of Cambridge
- Andrew J. Sederman - University of Cambridge
- Athanasios Tsolakis - Univ. of Birmigham
- Jose M. Herreros - Univ. of Birmingham
- Isaline Lefort - University of Birmingham
Topic
Citation
York, A., Watling, T., Ramskill, N., Gladden, L. et al., "Visualization of the Gas Flow Field within a Diesel Particulate Filter Using Magnetic Resonance Imaging," SAE Technical Paper 2015-01-2009, 2015, https://doi.org/10.4271/2015-01-2009.Also In
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