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Neutron Imaging of Diesel Particulate Filters
Technical Paper
2009-01-2735
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This article presents nondestructive neutron computed tomography (nCT) measurements of Diesel Particulate Filters (DPFs) as a method to measure ash and soot loading in the filters. Uncatalyzed and unwashcoated 200cpsi cordierite DPFs exposed to 100% biodiesel (B100) exhaust and conventional ultra low sulfur 2007 certification diesel (ULSD) exhaust at one speed-load point (1500 rpm, 2.6 bar BMEP) are compared to a brand new (never exposed) filter. Precise structural information about the substrate as well as an attempt to quantify soot and ash loading in the channel of the DPF illustrates the potential strength of the neutron imaging technique.
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Strzelec, A., Bilheux, H., Finney, C., Daw, C. et al., "Neutron Imaging of Diesel Particulate Filters," SAE Technical Paper 2009-01-2735, 2009, https://doi.org/10.4271/2009-01-2735.Also In
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