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Non-Thermal Particulate Filter Regeneration Using Rapid Pulse Electric Discharges
ISSN: 0148-7191, e-ISSN: 2688-3627
Published April 8, 2013 by SAE International in United States
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This research introduces a new, novel approach to reverse flow particulate filter regeneration enabled by rapidly pulsed electric discharges. The discharges physically dislodge particulate matter (PM) from the filter substrate and allow a very low reverse air flow to transport it to a soot handling system. The system is operable independent of filter temperature, does not expose the filter to high thermal stresses or temperatures, has no apparent upper limit for filter PM-mass level (regeneration of a filter up to 17 g/L has been demonstrated), and does not require any catalyst. The system is inherently scalable allowing application to monolithic filters of any size or shape and can be tailored to suit specific application requirements such as limits on maximum regeneration time or power consumption. For example a light duty application would require as little as 200-500W electrical power to regenerate a filter in less than ten minutes (i.e. passenger car GPF or DPF).
The paper discusses the mechanics and performance of a new, non-thermal pulsed discharge cleaning method based primarily on experimental investigations and evaluates its potential impact on fuel consumption, system complexity and engine operation
- Alex Mason - Loughborough University
- Jon G.P. Binner - Loughborough University
- Colin P. Garner - Loughborough University
- Karola Graupner - Loughborough University
- John E. Harry - Loughborough University
- Dave W. Hoare - Loughborough University
- Andrew M. Williams - Loughborough University
- Nick Fox - 3DX-Ray Ltd
CitationMason, A., Binner, J., Garner, C., Graupner, K. et al., "Non-Thermal Particulate Filter Regeneration Using Rapid Pulse Electric Discharges," SAE Technical Paper 2013-01-0518, 2013, https://doi.org/10.4271/2013-01-0518.
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