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Experimental Evaluation of a Wall-Flow Filter for Gasoline Engine Particulate Emission Control
Technical Paper
2001-24-0072
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Motivated by the possibility of future emission regulations based on particle number as well as mass, after-treatment of ultrafine particles by a cordierite wallflow filter has been investigated. In a laboratory simulation, synthetic carbon particles of known size and concentration in air were captured with number-based efficiency exceeding 70% in the 20–100 nm size range. Effects of temperature, up to 400°C, filter loading time and ambient-temperature sample dilution have been quantified. Steady-speed and European drive cycle results for the same filter fitted to a passenger car with gasoline direct-injection engine have shown promising reductions in emissions, except at the highest speed of the cycle.
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Citation
Rubino, L., Crane, R., Shrimpton, J., and Arcoumanis, C., "Experimental Evaluation of a Wall-Flow Filter for Gasoline Engine Particulate Emission Control," SAE Technical Paper 2001-24-0072, 2001, https://doi.org/10.4271/2001-24-0072.Also In
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